States101 
Ohio
State Facts
There are fewer men than woman in Ohio. The overall gender ratio is 96 men to 100 women.
The Ohio flag was adopted on May 9, 1902. The flag has been ranked the 13th best U.S. flag by a leading Vexillology Organization.
The Ohio quarter was the 17th quarter released overall. The quarter was released on March 18, 2002.
Recent estimates put Ohio's population at around 11,594,000 people (7th out of 56).The population density is 283.7 people per square mile (15th out of 56).
Someone from Ohio is known as a Ohioan. View our List of Adjectival and Demonyms for all the States.
Ohio was the 17th state when it joined the United States on March 1, 1803. Prior to 1803, Ohio was known as "Northwest Territory."
Essential Ohio Facts
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OH
Postal Code
The Ohio postal code is OH. This abbreviation has been used since the USPS first established official codes in October 1963. -
Gender Ratio
Gender Ratio: 96 Men to 100 Women
Male Population: 5,674,772 men
Female Population: 5,919,391 women
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State Flag
The 4 main colors in the Ohio flag are #C1133D, #000000, #FFFFFF, and #001C5A -
State Quarter
The Ohio Quarter was released in March 03, 2002.
Total Mintage: 0.63 billion.
Engraver: Donna Weaver -
Population and Area
Population: 11,594,163 people
Land Area: 40,861 square miles
Population Density: 11,594,163 people per square mile
Areas Codes in Ohio (15)
- 216
- 234
- 270
- 304
- 330
- 419
- 440
- 513
- 567
- 614
- 724
- 740
- 765
- 859
- 937
Ohio Counties (88)
| County | Top Cities |
|---|---|
| Adams County | Bentonville, Blue Creek, Cherry Fork, Lynx, Manchester, and Peebles |
| Allen County | Beaverdam, Bluffton, Cairo, Delphos, Gomer, and Harrod |
| Ashland County | Ashland, Hayesville, Jeromesville, Loudonville, Nankin, and Nova |
| Ashtabula County | Andover, Ashtabula, Austinburg, Conneaut, Dorset, and Geneva |
| Athens County | Albany, Amesville, Athens, Buchtel, Carbondale, and Chauncey |
| Auglaize County | Buckland, Minster, New Bremen, New Hampshire, New Knoxville, and Saint Johns |
| Belmont County | Alledonia, Bannock, Barnesville, Barton, Bellaire, and Belmont |
| Brown County | Aberdeen, Decatur, Fayetteville, Feesburg, Georgetown, and Hamersville |
| Butler County | Collinsville, Fairfield, Hamilton, Middletown, Monroe, and Okeana |
| Carroll County | Amsterdam, Augusta, Bowerston, Carrollton, Dellroy, and Kensington |
| Champaign County | Cable, Christiansburg, Conover, Mechanicsburg, Mingo, and North Lewisburg |
| Clark County | Catawba, Donnelsville, Enon, Medway, New Carlisle, and North Hampton |
| Clermont County | Amelia, Batavia, Bethel, Chilo, Cincinnati, and Felicity |
| Clinton County | Blanchester, Clarksville, Cuba, Lees Creek, Martinsville, and Midland |
| Columbiana County | Columbiana, Damascus, East Liverpool, East Palestine, East Rochester, and Elkton |
| Coshocton County | Bakersville, Blissfield, Brinkhaven, Conesville, Coshocton, and Fresno |
| Crawford County | Bucyrus, Chatfield, Crestline, Galion, New Washington, and North Robinson |
| Cuyahoga County | Bay Village, Beachwood, Bedford, Berea, Brecksville, and Broadview Heights |
| Darke County | Ansonia, Arcanum, Bradford, Gettysburg, Greenville, and Hollansburg |
| Defiance County | Defiance, Evansport, Farmer, Hicksville, Jewell, and Mark Center |
| Delaware County | Ashley, Columbus, Delaware, Galena, Kilbourne, and Lewis Center |
| Erie County | Berlin Heights, Birmingham, Castalia, Huron, Kelleys Island, and Milan |
| Fairfield County | Amanda, Baltimore, Bremen, Carroll, Lancaster, and Lithopolis |
| Fayette County | Bloomingburg, Jeffersonville, Milledgeville, and Washington Court House |
| Franklin County | Amlin, Blacklick, Brice, Canal Winchester, Columbus, and Dublin |
| Fulton County | Archbold, Delta, Fayette, Lyons, Metamora, and Pettisville |
| Gallia County | Bidwell, Cheshire, Crown City, Gallipolis, Kerr, and Patriot |
| Geauga County | Burton, Chagrin Falls, Chardon, Chesterland, East Claridon, and Huntsburg |
| Greene County | Alpha, Bellbrook, Bowersville, Cedarville, Clifton, and Dayton |
| Guernsey County | Buffalo, Byesville, Cambridge, Cumberland, Derwent, and Kimbolton |
| Hamilton County | Addyston, Camp Dennison, Cincinnati, Cleves, Harrison, and Hooven |
| Hancock County | Arcadia, Arlington, Benton Ridge, Findlay, Jenera, and Mc Comb |
| Hardin County | Ada, Alger, Dola, Dunkirk, Forest, and Kenton |
| Harrison County | Cadiz, Deersville, Freeport, Harrisville, Hopedale, and Jewett |
| Henry County | Colton, Deshler, Grelton, Hamler, Holgate, and Liberty Center |
| Highland County | Greenfield, Highland, Hillsboro, Leesburg, Lynchburg, and Mowrystown |
| Hocking County | Carbon Hill, Haydenville, Laurelville, Logan, Murray City, and Rockbridge |
| Holmes County | Baltic, Berlin, Big Prairie, Charm, Glenmont, and Holmesville |
| Huron County | Bellevue, Collins, Greenwich, Monroeville, New Haven, and New London |
| Jackson County | Coalton, Jackson, Oak Hill, Ray, and Wellston |
| Jefferson County | Adena, Bergholz, Bloomingdale, Brilliant, Dillonvale, and East Springfield |
| Knox County | Bladensburg, Centerburg, Danville, Fredericktown, Gambier, and Howard |
| Lake County | Eastlake, Grand River, Madison, Mentor, Painesville, and Perry |
| Lawrence County | Chesapeake, Ironton, Kitts Hill, Pedro, Proctorville, and Rock Camp |
| Licking County | Alexandria, Brownsville, Buckeye Lake, Croton, Etna, and Granville |
| Logan County | Belle Center, Bellefontaine, De Graff, East Liberty, Huntsville, and Lakeview |
| Lorain County | Amherst, Avon, Avon Lake, Columbia Station, Elyria, and Grafton |
| Lucas County | Berkey, Curtice, Grand Rapids, Harbor View, Holland, and Maumee |
| Madison County | London, Mount Sterling, Sedalia, South Solon, and West Jefferson |
| Mahoning County | Beloit, Berlin Center, Campbell, Canfield, Ellsworth, and Greenford |
| Marion County | Caledonia, Green Camp, La Rue, Marion, Martel, and Morral |
| Medina County | Brunswick, Chippewa Lake, Hinckley, Homerville, Litchfield, and Lodi |
| Meigs County | Chester, Langsville, Long Bottom, Middleport, Pomeroy, and Portland |
| Mercer County | Burkettsville, Celina, Chickasaw, Coldwater, Fort Recovery, and Maria Stein |
| Miami County | Casstown, Covington, Fletcher, Laura, Ludlow Falls, and Piqua |
| Monroe County | Beallsville, Cameron, Clarington, Graysville, Hannibal, and Jerusalem |
| Montgomery County | Brookville, Clayton, Dayton, Englewood, Farmersville, and Germantown |
| Morgan County | Beverly, Chesterhill, Crooksville, Malta, Mcconnelsville, and Stockport |
| Morrow County | Cardington, Chesterville, Edison, Fulton, Iberia, and Marengo |
| Muskingum County | Adamsville, Blue Rock, Chandlersville, Dresden, Duncan Falls, and East Fultonham |
| Noble County | Ava, Belle Valley, Caldwell, Dexter City, Lower Salem, and Sarahsville |
| Ottawa County | Clay Center, Elmore, Genoa, Graytown, Gypsum, and Isle Saint George |
| Paulding County | Antwerp, Cecil, Grover Hill, Haviland, Latty, and Melrose |
| Perry County | Corning, Glenford, Junction City, Mount Perry, Moxahala, and New Lexington |
| Pickaway County | Ashville, Circleville, Commercial Point, Derby, New Holland, and Orient |
| Pike County | Beaver, Cynthiana, Jasper, Latham, Piketon, and Stockdale |
| Portage County | Atwater, Aurora, Brady Lake, Deerfield, Diamond, and Garrettsville |
| Preble County | Camden, College Corner, Eaton, Eldorado, Gratis, and Lewisburg |
| Putnam County | Belmore, Cloverdale, Columbus Grove, Continental, Dupont, and Fort Jennings |
| Richland County | Bellville, Butler, Lucas, Mansfield, Ontario, and Shelby |
| Ross County | Adelphi, Bainbridge, Bourneville, Chillicothe, Clarksburg, and Frankfort |
| Sandusky County | Burgoon, Clyde, Fremont, Gibsonburg, Helena, and Lindsey |
| Scioto County | Franklin Furnace, Friendship, Haverhill, Lucasville, Mc Dermott, and Minford |
| Seneca County | Alvada, Attica, Bascom, Bettsville, Bloomville, and Flat Rock |
| Shelby County | Anna, Botkins, Fort Loramie, Houston, Jackson Center, and Kettlersville |
| Stark County | Alliance, Beach City, Brewster, Canal Fulton, Canton, and East Canton |
| Summit County | Akron, Barberton, Bath, Clinton, Cuyahoga Falls, and Fairlawn |
| Trumbull County | Bristolville, Brookfield, Burghill, Cortland, Farmdale, and Fowler |
| Tuscarawas County | Bolivar, Dennison, Dover, Dundee, Gnadenhutten, and Midvale |
| Union County | Broadway, Irwin, Magnetic Springs, Marysville, Milford Center, and Plain City |
| Van Wert County | Convoy, Elgin, Middle Point, Ohio City, Van Wert, and Venedocia |
| Vinton County | Creola, Hamden, Londonderry, Mc Arthur, New Plymouth, and Wilkesville |
| Warren County | Franklin, Harveysburg, Kings Mills, Lebanon, Maineville, and Mason |
| Washington County | Barlow, Bartlett, Belpre, Coal Run, Cutler, and Fleming |
| Wayne County | Apple Creek, Burbank, Creston, Dalton, Doylestown, and Fredericksburg |
| Williams County | Alvordton, Blakeslee, Bryan, Edgerton, Edon, and Kunkle |
| Wood County | Bloomdale, Bowling Green, Bradner, Custar, Cygnet, and Dunbridge |
| Wyandot County | Carey, Harpster, Kirby, Mc Cutchenville, Nevada, and Sycamore |