Adams County
County Seat
West UnionPopulation (2024)
27,671Did you know that...
Adams County was the first county formed in Ohio after statehood?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Allen County
County Seat
LimaPopulation (2024)
100,866Did you know that...
Allen County is named after Colonel John Allen, a soldier who bravely fought in the War of 1812?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Ashland County
County Seat
AshlandPopulation (2024)
52,420Did you know that...
Ashland County was named after Henry Clay’s estate in Lexington, Kentucky, honoring the famous statesman.Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Ashtabula County
County Seat
JeffersonPopulation (2024)
96,906Did you know that...
The longest covered bridge in the United States is the Smolen-Gulf Covered Bridge located in Ashtabula County, Ohio?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Athens County
County Seat
AthensPopulation (2024)
63,218Did you know that...
Athens County is home to Ohio University (1804), the oldest university in the state?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Auglaize County
County Seat
WapakonetaPopulation (2024)
45,922Did you know that...
Auglaize County was the birthplace of Astronaut Neil Armstrong, the first man to set foot on the moon?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Belmont County
County Seat
St. ClairsvillePopulation (2024)
64,692Did you know that...
From 1890 to 1976, the Belmont County sheriff and their family were legally required to live on the premises of the county jail? The sheriff's residence later became county offices—and today it’s the Belmont County Heritage Museum.Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Brown County
County Seat
St. ClairsvillePopulation (2024)
64,692Did you know that...
Brown County was a hotspot for abolitionist activity? John Rankin, a Presbyterian minister in Ripley, operated one of the most famous Underground Railroad stations.Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Butler County
County Seat
Hamilton
Population (2024)
399,542
Did you know that...
General Richard Butler, the county's namesake, was killed during St. Clair’s Defeat in 1791? It's regarded as the worst U.S. Army loss against Native American forces.
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Carroll County
County Seat
CarrolltonPopulation (2024)
26,460Did you know that...
Carroll County was named for Charles Carroll, the last surviving signer of the Declaration of Independence?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Champaign County
County Seat
UrbanaPopulation (2024)
38,907Did you know that...
Cedar Bog in Urbana is a National Natural Landmark? It ranks the highest of any site in the state on the Ohio Floristic Diversity Index for its great diversity of plants.Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Clark County
County Seat
SpringfieldPopulation (2024)
134,985Did you know that...
Clark County was named for General George Rogers Clark, a Revolutionary War hero who led campaigns in the Northwest Territory?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Clermont County
County Seat
BataviaPopulation (2024)
214,123Did you know that...
President Ulysses S. Grant was born in Point Pleasant, in Clermont County, in 1822?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Clinton County
County Seat
WilmingtonPopulation (2024)
42,019Did you know that...
Many of the county's early residents were members of the Society of Friends (Quakers)? They played an important role in the Underground Railroad, helping runaway slaves find freedom in the North. The local Quaker community also established Wilmington College in 1870.Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Columbiana County
County Seat
LisbonPopulation (2024)
99,823Did you know that...
Columbiana County was famous for pottery and ceramics manufacturing in the 19th century, especially in East Liverpool, which became known as the “Pottery Capital of the World"?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Coshocton County
County Seat
CoshoctonPopulation (2024)
37,003Did you know that...
Coshocton's name is derived from a Delaware (Lenape) word meaning “union of waters,” referring to the convergence of the Tuscarawas and Walhonding rivers forming the Muskingum River?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Crawford County
County Seat
BucyrusPopulation (2024)
41,626Did you know that...
In 1900, Michael Uhl founded what is regarded as the first commercial poultry hatchery in the U.S. in the Crawford County village of New Washington?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Cuyahoga County
County Seat
ClevelandPopulation (2024)
1,240,594Did you know that...
John D. Rockefeller founded Standard Oil in Cleveland in 1870, making the area a center of the oil industry?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Darke County
County Seat
GreenvillePopulation (2024)
51,462Did you know that...
Darke County was the birthplace of Annie Oakley, the legendary sharpshooter?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Defiance County
County Seat
DefiancePopulation (2024)
38,644Did you know that...
Defiance County was named after Fort Defiance, built by General Anthony Wayne during the Northwest Indian War?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Delaware County
County Seat
DelawarePopulation (2024)
237,966Did you know that...
Delaware County was a major anti-slavery stronghold, with integrated support systems of free Black communities, faith-based groups, and courageous individuals united in defiance of fugitive slave laws?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Erie County
County Seat
Sandusky
Population (2024)
73,841
Did you know that...
Inventor Thomas Edison was born in the town of Milan in Erie County? His inventions and contributions include the electric lightbulb and the phonograph.
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Fayette County
County Seat
Washington Court HousePopulation (2024)
28,782Did you know that...
Washington Court House was originally named "City of Washington"? In 2002, a new charter was adopted, officially changing the name to the "City of Washington Court House" to differentiate it from other cities also named "Washington".Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Franklin County
County Seat
ColumbusPopulation (2024)
1,356,303Did you know that...
Franklinton, founded in 1797, was the first permanent settlement in central Ohio? It existed before Ohio became a state in 1803 and before Columbus itself was founded.Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Fulton County
County Seat
WauseonPopulation (2024)
42,028Did you know that...
Fulton County was named after Robert Fulton, inventor of the steamboat?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Gallia County
County Seat
GallipolisPopulation (2024)
28,886Did you know that...
Marquis de Lafayette, the French hero of the American Revolution, visited Gallipolis on May 22, 1825 during his famous “Guest of the Nation” tour of the United States?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Geauga County
County Seat
ChardonPopulation (2024)
95,362Did you know that...
Geauga County’s terrain was carved by the Wisconsin Glacier over 15,000 years ago, leaving behind hills of glacial till and ridges that later became vital roads?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Greene County
County Seat
XeniaPopulation (2024)
172,347Did you know that...
Greene County is the home of Wilberforce University, the first college owned and operated by African Americans?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Guernsey County
County Seat
CambridgePopulation (2024)
38,219Did you know that...
Cambridge became a major stop on the National Road (U.S. Route 40) in the 1820s, boosting trade and travel?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Hamilton County
County Seat
CincinnatiPopulation (2024)
837,359Did you know that...
The Cincinnati Reds (previously Red Stockings), were the first professional baseball team?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Hancock County
County Seat
FindlayPopulation (2024)
75,016Did you know that...
Hancock County was named after John Hancock, a signer of the Declaration of Independence?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Hardin County
County Seat
KentonPopulation (2024)
30,042Did you know that...
Hardin County was originally part of the Great Black Swamp region, requiring extensive drainage for farming?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Harrison County
County Seat
CadizPopulation (2024)
14,042Did you know that...
Harrison County was the birthplace of Clark Gable, Hollywood legend and star of Gone with the Wind?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Henry County
County Seat
NapoleonPopulation (2024)
27,536Did you know that...
The county seat, Napoleon, was named after the French general? There’s no evidence that Napoleon Bonaparte ever visited Ohio!Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Highland County
County Seat
Hillsboro
Population (2024)
43,785
Did you know that...
Fort Hill in Hillsboro is considered one of the best‑preserved hilltop earthworks in the Midwest?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Hocking County
County Seat
LoganPopulation (2024)
27,429Did you know that...
Hocking County is home to Hocking Hills State Park, one of Ohio’s most visited natural attractions?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Holmes County
County Seat
MillersburgPopulation (2024)
44,668Did you know that...
Holmes County is the heart of Ohio’s Amish Country, with one of the largest Amish populations in the world?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Huron County
County Seat
NorwalkPopulation (2024)
58,168Did you know that...
The county was part of the Firelands, a region given to Connecticut residents whose homes were burned during the Revolutionary War?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Jackson County
County Seat
JacksonPopulation (2024)
32,723Did you know that...
Jackson County formed because of a mineral resource—and not coal or iron at first, but salt?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Jefferson County
County Seat
Steubenville
Population (2024)
63,900
Did you know that...
Actor, singer and comedian Dean Martin was born in Steubenville in 1917?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Knox County
County Seat
Mount Vernon
Population (2024)
63,848
Did you know that...
Knox County is home to Kenyon College (founded 1824), one of Ohio’s oldest liberal arts colleges?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Lake County
County Seat
Painesville
Population (2024)
232,360
Did you know that...
The James A. Garfield National Historic Site is located in the city of Mentor in Lake County? In 1880, the property was the site of the nation's first ever "front porch" presidential campaign.
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Lawrence County
County Seat
Ironton
Population (2024)
55,829
Did you know that...
Lawrence County was named after James Lawrence, naval hero of the War of 1812? His famous last words were "Don't give up the ship!"
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Licking County
County Seat
NewarkPopulation (2024)
184,898Did you know that...
The Great Circle and Octagon Earthworks in Licking County are part of the Hopewell Ceremonial Earthworks, Ohio's only UNESCO World Heritage Site?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Logan County
County Seat
BellefontainePopulation (2024)
46,085Did you know that...
Bellefontaine boasts the first concrete street in America, built in 1891?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Lorain County
County Seat
ElyriaPopulation (2024)
322,030Did you know that...
Nobel Prize-winning author Toni Morrison was born in Lorain County?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Lucas County
County Seat
ToledoPopulation (2024)
426,291Did you know that...
Toledo, the county seat, is known as the Glass City? It became one of the most important centers of glass manufacturing in the world beginning in the late 1800s.Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Madison County
County Seat
LondonPopulation (2024)
45,531Did you know that...
In 1949, workers accidentally uncovered the remains of a prehistoric mastodon at Orleton Farms near West Jefferson? The discovery attracted researchers from across Ohio and confirmed Ice Age megafauna once lived in the area.Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Mahoning County
County Seat
Youngstown
Population (2024)
225,786
Did you know that...
Youngstown was once a steel powerhouse, central to the Rust Belt story?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Marion County
County Seat
Marion
Population (2024)
64,976
Did you know that...
Marion was home to President Warren G. Harding, the 29th President of the United States? His home and tomb are now major historical sites.
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Medina County
County Seat
Medina
Population (2024)
184,625
Did you know that...
Medina is famous as the longtime home of the A. I. Root Company, founded in 1869? The company became one of the largest manufacturers of beekeeping supplies and beeswax products in the world and helped make Medina nationally known among farmers and inventors.
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Meigs County
County Seat
Pomeroy
Population (2024)
21,491
Did you know that...
Meigs County is home to the oldest standing courthouse in the entire Northwest Territory?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Mercer County
County Seat
Celina
Population (2024)
42,648
Did you know that...
Grand Lake St. Marys, in Mercer County, was originally built as a reservoir for the Miami and Erie Canal and is now a major recreation area?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Miami County
County Seat
Troy
Population (2024)
111,950
Did you know that...
The Miami and Erie Canal once ran through the county in the 1800s, making it an important transportation and trading center long before railroads and highways.
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Monroe County
Montgomery County
County Seat
Dayton
Population (2024)
537,443
Did you know that...
Montgomery County was home to the Wright Brothers, the aviation pioneers credited with inventing and flying the world's first successful airplane?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Morgan County
County Seat
McConnelsville
Population (2024)
13,532
Did you know that...
Morgan County is home to the Big Muskie Bucket, which holds the title of the largest dragline bucket ever constructed?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Morrow County
County Seat
McConnelsville
Population (2024)
13,532Did you know that...
Morgan County is home to the Big Muskie Bucket, which holds the title of the largest dragline bucket ever constructed?Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave. Admission is included with all Ohio State Fair tickets.
Muskingum County
County Seat
Zanesville
Population (2024)
86,582
Did you know that...
Astronaut and U.S. Senator John Glenn was born and raised in Muskingum County?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Noble County
County Seat
Caldwell
Population (2024)
14,269
Did you know that...
Noble County was the last county formed in Ohio? It was established in 1851.
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Ottawa County
County Seat
Port Clinton
Population (2024)
39,692
Did you know that...
Ottawa County is home to Marblehead Lighthouse, the oldest continuously operating lighthouse on the Great Lakes? It was built in 1822.
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Paulding County
County Seat
Paulding
Population (2024)
18,755
Did you know that...
Because of the swampy terrain, Paulding County was among the last areas in Ohio to get reliable roads?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Perry County
County Seat
New Lexington
Population (2024)
35,682
Did you know that...
Perry County was named after Commodore Oliver Hazard Perry, hero of the Battle of Lake Erie?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Pickaway County
County Seat
Circleville
Population (2024)
62,158
Did you know that...
The Circleville Pumpkin Show, started in 1903, is one of the largest festivals in Ohio?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Pike County
County Seat
Waverly
Population (2024)
27,065
Did you know that...
Pike County was named after explorer Zebulon Pike?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Portage County
County Seat
Ravenna
Population (2024)
163,839
Did you know that...
Portage County is named for the historic “portage” route—a place where travelers carried (ported) their canoes over land between two major waterways, in this case being Cuyahoga and Tuscarawas Rivers?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Preble County
County Seat
Eaton
Population (2024)
40,801
Did you know that...
Preble County is home to seven historic covered bridges, including the oldest double-barreled covered bridge in Ohio?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Putnam County
County Seat
Ottawa
Population (2024)
34,206
Did you know that...
Putnam County’s original courthouse was located in Kalida, but after it burned down, county leaders decided to relocate the county seat to Ottawa, where it remains today?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Richland County
County Seat
Mansfield
Population (2024)
124,853
Did you know that...
Mansfield is home to the Ohio State Reformatory, a historic prison featured in the film The Shawshank Redemption?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Ross County
County Seat
Chillicothe
Population (2024)
76,046
Did you know that...
Chillicothe, the county seat, served as the first capital of Ohio?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Sandusky County
County Seat
Fremont
Population (2024)
58,866
Did you know that...
Fremont, the county seat, was home to President Rutherford B. Hayes? His estate, Spiegel Grove, is now a museum and historical site.
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Scioto County
County Seat
Portsmouth
Population (2024)
71,798
Did you know that...
Scioto County gets its name from the Scioto River, which comes from a Native American word meaning “deer”?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Seneca County
County Seat
Tiffin
Population (2024)
54,730
Did you know that...
The county seat is named after Edward Tiffin, Ohio’s first governor?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Shelby County
County Seat
Sidney
Population (2024)
47,952
Did you know that...
Shelby County was named after Isaac Shelby, a Revolutionary War hero?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Stark County
County Seat
Canton
Population (2024)
37,4091
Did you know that...
Canton, the county seat, is home to the Pro Football Hall of Fame?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Summit County
County Seat
Akron
Population (2024)
538,370
Did you know that...
Akron is major rubber industry center, earning it the nickname “Rubber Capital of the World"?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Trumbull County
County Seat
Warren
Population (2024)
200,300
Did you know that...
Rock musician Dave Grohl (Foo Fighters, Nirvana) was born in Warren, the county seat?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Tuscarawas County
County Seat
New Philadelphia
Population (2024)
92,048
Did you know that...
Tuscarawas County is home to Fort Laurens, Ohio's only Revolutionary War site?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Union County
County Seat
Marysville
Population (2024)
71,721
Did you know that...
Marysville was founded in 1819 by Samuel W. Cuthbertson and named after his daughter, Mary?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Van Wert County
County Seat
Van Wert
Population (2024)
28,887
Did you know that...
Van Wert was one of the first counties in Ohio to adopt public libraries? The Brumback Library (opened 1901) is considered the first county library in the U.S.
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Vinton County
County Seat
McArthur
Population (2024)
12,545
Did you know that...
Vinton County is the least populated county in the state?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Warren County
County Seat
Lebanon
Population (2024)
256,059
Did you know that...
Lebanon is famous for the Golden Lamb Inn, Ohio’s oldest continuously operating hotel? It opened all the way back in 1803!
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Washington County
County Seat
Marietta
Population (2024)
58,332
Did you know that...
Washington County is Ohio’s first county, created when the Northwest Territory was organized?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Wayne County
County Seat
Wooster
Population (2024)
116,632
Did you know that...
Wayne County was named after Revolutionary War General “Mad” Anthony Wayne?
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Williams County
County Seat
Bryan
Population (2024)
36,554
Did you know that...
Bryan, the county seat, is home to the Ohio Art Company? It's famous for creating the Etch A Sketch toy!
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Wood County
County Seat
Bowling Green
Population (2024)
133,077
Did you know that...
The Wood County Courthouse in Bowling Green, built in 1896, is a stunning example of modernized H. H. Richardson Romanesque architecture? It's listed on the National Register of Historic Places.
Want to learn more about Ohio History? Visit the Ohio History Center & Ohio Village across 17th Ave.
Admission is included with all Ohio State Fair tickets.
Wyandot County
County Seat
Upper Sandusky
Population (2024)
21,394
Did you know that...
Indian Mill in Upper Sandusky is the nation’s first educational museum of milling in its original structure?