List of Counties
County | FIPS Code |
County Seat |
Created |
Origin |
Etymology |
Population |
Area |
Map |
---|---|---|---|---|---|---|---|---|
Adams County | 001 | West Union | July 10, 1797 | Hamilton County | John Adams (1735-1826), second U.S. President and executive when the county was organized | 700428550000000000028,550 | 7002583910000000000583.91 sq mi (70031512000000000001,512 km2) |
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Allen County | 003 | Lima | March 1, 1820 | Shelby County | John Allen (1771/2-1813), a War of 1812 colonel | 7005106331000000000106,331 | 7002404430000000000404.43 sq mi (70031047000000000001,047 km2) |
|
Ashland County | 005 | Ashland | February 24, 1846 | Wayne, Richland, Huron, and Lorain Counties | Ashland, home of U.S. Senator from Kentucky Henry Clay. | 700453139000000000053,139 | 7002424370000000000424.37 sq mi (70031099000000000001,099 km2) |
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Ashtabula County | 007 | Jefferson | June 7, 1807 | Trumbull and Geauga Counties | Ashtabula River, which means "fish river" in an Algonquian language | 7005101497000000000101,497 | 7002702440000000000702.44 sq mi (70031819000000000001,819 km2) |
|
Athens County | 009 | Athens | March 1, 1805 | Washington County | Athens, Greece | 700464757000000000064,757 | 7002506760000000000506.76 sq mi (70031313000000000001,313 km2) |
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Auglaize County | 011 | Wapakoneta | February 14, 1848 | Allen, Mercer, Darke, Hardin, Logan, Shelby, and Van Wert Counties | Auglaize River, which means "fallen timbers river" to the Shawnee | 700445949000000000045,949 | 7002401250000000000401.25 sq mi (70031039000000000001,039 km2) |
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Belmont County | 013 | St. Clairsville | September 7, 1801 | Jefferson and Washington Counties | Belle monte, which means "beautiful mountain" in French | 700470400000000000070,400 | 7002537350000000000537.35 sq mi (70031392000000000001,392 km2) |
|
Brown County | 015 | Georgetown | March 1, 1818 | Adams and Clermont Counties | General Jacob Brown (1775-1828), an officer of the War of 1812 | 700444846000000000044,846 | 7002491760000000000491.76 sq mi (70031274000000000001,274 km2) |
|
Butler County | 017 | Hamilton | May 1, 1803 | Hamilton County | General Richard Butler (1743-1791), killed at the Battle of the Wabash | 7005368130000000000368,130 | 7002467270000000000467.27 sq mi (70031210000000000001,210 km2) |
|
Carroll County | 019 | Carrollton | January 1, 1833 | Columbiana, Stark, Harrison, Jefferson, and Tuscarawas Counties | Charles Carroll (1737-1832), last surviving signer of the United States Declaration of Independence | 700428836000000000028,836 | 7002394670000000000394.67 sq mi (70031022000000000001,022 km2) |
|
Champaign County | 021 | Urbana | March 1, 1805 | Greene and Franklin Counties | French for "a plain", describing the land in the area | 700440097000000000040,097 | 7002428560000000000428.56 sq mi (70031110000000000001,110 km2) |
|
Clark County | 023 | Springfield | March 1, 1818 | Champaign, Madison, and Greene Counties | General George Rogers Clark (1752-1818), defeated the Shawnee Indians in a battle near the Springfield area | 7005138333000000000138,333 | 7002399860000000000399.86 sq mi (70031036000000000001,036 km2) |
|
Clermont County | 025 | Batavia | December 6, 1800 | Hamilton County | French for "clear mountain" | 7005197363000000000197,363 | 7002451990000000000451.99 sq mi (70031171000000000001,171 km2) |
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Clinton County | 027 | Wilmington | March 1, 1810 | Highland and Warren Counties | George Clinton (1739-1812), vice-president when the county was organized | 700442040000000000042,040 | 7002410880000000000410.88 sq mi (70031064000000000001,064 km2) |
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Columbiana County | 029 | Lisbon | May 1, 1803 | Jefferson and Washington Counties | Derived from the words Christopher Columbus, European explorer of the Americas | 7005107841000000000107,841 | 7002532460000000000532.46 sq mi (70031379000000000001,379 km2) |
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Coshocton County | 031 | Coshocton | January 31, 1810 | Muskingum and Tuscarawas Counties | Delaware Indian word meaning "union of waters" | 700436901000000000036,901 | 7002564070000000000564.07 sq mi (70031461000000000001,461 km2) |
|
Crawford County | 033 | Bucyrus | April 1, 1820 | Delaware County | Colonel William Crawford (1732-1782), Revolutionary War officer | 700443784000000000043,784 | 7002402110000000000402.11 sq mi (70031041000000000001,041 km2) |
|
Cuyahoga County | 035 | Cleveland | June 7, 1807 | Geauga County | Cuyahoga River, which means "crooked river" in an Iroquoian language | 70061280122000000001,280,122 | 7002458490000000000458.49 sq mi (70031187000000000001,187 km2) |
|
Darke County | 037 | Greenville | January 3, 1809 | Miami County | General William Darke (1736-1801), Revolutionary War officer | 700452959000000000052,959 | 7002599790000000000599.80 sq mi (70031553000000000001,553 km2) |
|
Defiance County | 039 | Defiance | April 7, 1845 | Williams, Henry, and Paulding Counties | Fort Defiance, built in 1794 by General Anthony Wayne | 700439037000000000039,037 | 7002411160000000000411.16 sq mi (70031065000000000001,065 km2) |
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Delaware County | 041 | Delaware | April 1, 1808 | Franklin County | Delaware Indians | 7005174214000000000174,214 | 7002442410000000000442.41 sq mi (70031146000000000001,146 km2) |
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Erie County | 043 | Sandusky | March 15, 1838 | Huron and Sandusky Counties | Erie Indians | 700477079000000000077,079 | 7002254880000000000254.88 sq mi (7002660000000000000660 km2) |
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Fairfield County | 045 | Lancaster | December 9, 1800 | Ross and Washington Counties | Named for the beauty of its "fair fields" | 7005146156000000000146,156 | 7002505110000000000505.11 sq mi (70031308000000000001,308 km2) |
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Fayette County | 047 | Washington Court House | March 1, 1810 | Ross and Highland Counties | Marquis de Lafayette, French military officer and aristocrat who participated in both the American and French revolutions. | 700429030000000000029,030 | 7002406580000000000406.58 sq mi (70031053000000000001,053 km2) |
|
Franklin County | 049 | Columbus | April 30, 1803 | Ross and Wayne Counties | Benjamin Franklin (1706-1791) - Founding Father, author, printer, satirist, political theorist, scientist, inventor and statesman. | 70061163414000000001,163,414 | 7002539870000000000539.87 sq mi (70031398000000000001,398 km2) |
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Fulton County | 051 | Wauseon | April 1, 1850 | Lucas, Henry, and Williams Counties | Robert Fulton (1765–1815), inventor of the steamboat | 700442698000000000042,698 | 7002406789999900000406.78 sq mi (70031054000000000001,054 km2) |
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Gallia County | 053 | Gallipolis | April 30, 1803 | Washington and Adams Counties | Gaul, the ancient name of France | 700430934000000000030,934 | 7002468780000000000468.78 sq mi (70031214000000000001,214 km2) |
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Geauga County | 055 | Chardon | March 1, 1806 | Trumbull County | A Native American word meaning "raccoon" | 700493389000000000093,389 | 7002403660000000000403.66 sq mi (70031045000000000001,045 km2) |
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Greene County | 057 | Xenia | May 1, 1803 | Hamilton and Ross Counties | General Nathanael Greene (1742-1786), Revolutionary War officer | 7005161573000000000161,573 | 7002414880000000000414.88 sq mi (70031075000000000001,075 km2) |
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Guernsey County | 059 | Cambridge | March 1, 1810 | Belmont and Muskingum Counties | Island of Guernsey, from where most of the settlers originated | 700440087000000000040,087 | 7002521900000000000521.90 sq mi (70031352000000000001,352 km2) |
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Hamilton County | 061 | Cincinnati | January 2, 1790 | One of the original counties | Alexander Hamilton (1755/7-1804), Secretary of the Treasury when the county was organized | 7005802374000000000802,374 | 7002407360000000000407.36 sq mi (70031055000000000001,055 km2) |
|
Hancock County | 063 | Findlay | April 1, 1820 | Logan County | John Hancock (1737-1793), president of the Continental Congress | 700474782000000000074,782 | 7002531350000000000531.35 sq mi (70031376000000000001,376 km2) |
|
Hardin County | 065 | Kenton | April 1, 1820 | Logan County | General John Hardin (1753–1792), Revolutionary War officer | 700432058000000000032,058 | 7002470290000000000470.29 sq mi (70031218000000000001,218 km2) |
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Harrison County | 067 | Cadiz | February 1, 1813 | Jefferson and Tuscarawas Counties | General William Henry Harrison (1773–1841), an officer of the War of 1812 and future U.S. President | 700415864000000000015,864 | 7002403539999900000403.53 sq mi (70031045000000000001,045 km2) |
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Henry County | 069 | Napoleon | April 1, 1820 | Shelby County | Patrick Henry (1736–1799), Revolutionary War-era legislator, orator, and scholar | 700428215000000000028,215 | 7002416500000000000416.50 sq mi (70031079000000000001,079 km2) |
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Highland County | 071 | Hillsboro | May 1, 1805 | Ross, Adams, and Clermont Counties | Descriptive of the county's terrain | 700443589000000000043,589 | 7002553280000000000553.28 sq mi (70031433000000000001,433 km2) |
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Hocking County | 073 | Logan | March 1, 1818 | Athens, Ross, and Fairfield Counties | Possibly derived from the Delaware Indian word "Hoch-Hoch-ing", meaning "bottle" | 700429380000000000029,380 | 7002422750000000000422.75 sq mi (70031095000000000001,095 km2) |
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Holmes County | 075 | Millersburg | January 20, 1824 | Coshocton, Wayne, and Tuscarawas Counties | Major Andrew Holmes (d. 1814), a War of 1812 officer | 700442366000000000042,366 | 7002422990000000000422.99 sq mi (70031096000000000001,096 km2) |
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Huron County | 077 | Norwalk | March 7, 1809 | Portage and Cuyahoga Counties | Huron Indians | 700459626000000000059,626 | 7002492690000000000492.69 sq mi (70031276000000000001,276 km2) |
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Jackson County | 079 | Jackson | March 1, 1816 | Scioto, Gallia, Athens, and Ross Counties | General Andrew Jackson (1767–1845) | 700433225000000000033,225 | 7002420289999900000420.28 sq mi (70031089000000000001,089 km2) |
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Jefferson County | 081 | Steubenville | July 29, 1797 | Washington County | Thomas Jefferson (1743–1826), Vice President when the county was organized, future U.S. President, and principal author of the Declaration of Independence | 700469709000000000069,709 | 7002409610000000000409.61 sq mi (70031061000000000001,061 km2) |
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Knox County | 083 | Mount Vernon | March 1, 1808 | Fairfield County | General Henry Knox, the first Secretary of War | 700460921000000000060,921 | 7002527120000000000527.12 sq mi (70031365000000000001,365 km2) |
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Lake County | 085 | Painesville | March 6, 1840 | Geauga and Cuyahoga Counties | Named as such due to it bordering Lake Erie | 7005230041000000000230,041 | 7002228210000000000228.21 sq mi (7002591000000000000591 km2) |
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Lawrence County | 087 | Ironton | December 21, 1815 | Gallia and Scioto Counties | Captain James Lawrence (1781–1813), naval hero in the War of 1812 | 700462450000000000062,450 | 7002454960000000000454.96 sq mi (70031178000000000001,178 km2) |
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Licking County | 089 | Newark | March 1, 1808 | Fairfield County | Named for the salt licks in the area | 7005166492000000000166,492 | 7002686500000000000686.50 sq mi (70031778000000000001,778 km2) |
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Logan County | 091 | Bellefontaine | March 1, 1818 | Champaign County | General Benjamin Logan (c.1742–1802), who destroyed Shawnee Indian towns in the county | 700445858000000000045,858 | 7002458440000000000458.44 sq mi (70031187000000000001,187 km2) |
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Lorain County | 093 | Elyria | December 26, 1822 | Huron, Cuyahoga, and Medina Counties | Province of Lorraine, France | 7005301356000000000301,356 | 7002492500000000000492.50 sq mi (70031276000000000001,276 km2) |
|
Lucas County | 095 | Toledo | June 20, 1835 | Wood, Sandusky, and Huron Counties | Robert Lucas (1781–1853), Governor of Ohio when the county was created | 7005441815000000000441,815 | 7002340460000000000340.46 sq mi (7002882000000000000882 km2) |
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Madison County | 097 | London | March 1, 1810 | Franklin County | James Madison (1751-1836), fourth U.S. President | 700443435000000000043,435 | 7002465440000000000465.44 sq mi (70031205000000000001,205 km2) |
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Mahoning County | 099 | Youngstown | March 1, 1846 | Columbiana and Trumbull Counties | Mahoning River, from a Native American word meaning "at the licks" | 7005238823000000000238,823 | 7002415250000000000415.25 sq mi (70031075000000000001,075 km2) |
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Marion County | 101 | Marion | April 1, 1820 | Delaware County | General Francis Marion (1732-1795), lieutenant colonel in the Continental Army and later brigadier general in the American Revolutionary War. | 700466501000000000066,501 | 7002403849999900000403.84 sq mi (70031046000000000001,046 km2) |
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Medina County | 103 | Medina | February 18, 1812 | Portage County | Medina, world-renowned religious site and capital of the Al Madinah Province in western Saudi Arabia | 7005172332000000000172,332 | 7002421550000000000421.55 sq mi (70031092000000000001,092 km2) |
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Meigs County | 105 | Pomeroy | April 1, 1819 | Gallia and Athens Counties | Return Jonathan Meigs, Jr. (1764-1825), Governor of Ohio and Postmaster General at the time the county was organized | 700423770000000000023,770 | 7002429420000000000429.42 sq mi (70031112000000000001,112 km2) |
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Mercer County | 107 | Celina | April 1, 1820 | Darke County | General Hugh Mercer (1726-1777), a Revolutionary War officer | 700440814000000000040,814 | 7002463270000000000463.27 sq mi (70031200000000000001,200 km2) |
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Miami County | 109 | Troy | March 1, 1807 | Montgomery County | Miami Indians | 7005102506000000000102,506 | 7002407040000000000407.04 sq mi (70031054000000000001,054 km2) |
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Monroe County | 111 | Woodsfield | January 29, 1813 | Belmont, Washington, and Guernsey Counties | James Monroe (1758-1831), Secretary of State when the county was organized and future U.S. President | 700414642000000000014,642 | 7002455540000000000455.54 sq mi (70031180000000000001,180 km2) |
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Montgomery County | 113 | Dayton | May 1, 1803 | Hamilton and Wayne Counties | General Richard Montgomery (1738-1775), a Revolutionary War officer | 7005535153000000000535,153 | 7002461680000000000461.68 sq mi (70031196000000000001,196 km2) |
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Morgan County | 115 | McConnelsville | December 29, 1817 | Washington, Guernsey, and Muskingum Counties | General Daniel Morgan (c.1735–1802), a Revolutionary War officer | 700415054000000000015,054 | 7002417660000000000417.66 sq mi (70031082000000000001,082 km2) |
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Morrow County | 117 | Mount Gilead | March 1, 1848 | Knox, Marion, Delaware, and Richland Counties | Jeremiah Morrow (1771–1852), Governor of Ohio | 700434827000000000034,827 | 7002406220000000000406.22 sq mi (70031052000000000001,052 km2) |
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Muskingum County | 119 | Zanesville | March 1, 1803 | Washington and Fairfield Counties | A Native American word meaning "A town by the river" or a Native American word meaning "by the river side" |
700486074000000000086,074 | 7002664630000000000664.63 sq mi (70031721000000000001,721 km2) |
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Noble County | 121 | Caldwell | April 1, 1851 | Monroe, Washington, Morgan, and Guernsey Counties | James Noble (1785–1831), an early settler and future U.S. Senator from Indiana | 700414645000000000014,645 | 7002399000000000000399.00 sq mi (70031033000000000001,033 km2) |
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Ottawa County | 123 | Port Clinton | March 6, 1840 | Erie, Sandusky, and Lucas Counties | Named for the Ottawa Indians; Ottawa means "trader" in their language | 700441428000000000041,428 | 7002254950000000000254.95 sq mi (7002660000000000000660 km2) |
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Paulding County | 125 | Paulding | April 1, 1820 | Darke County | John Paulding (1758–1818), captor of spy John André during the Revolutionary War | 700419614000000000019,614 | 7002416260000000000416.26 sq mi (70031078000000000001,078 km2) |
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Perry County | 127 | New Lexington | March 1, 1818 | Washington, Fairfield, and Muskingum Counties | Commodore Oliver Hazard Perry (1785–1819), a naval officer of the War of 1812 | 700436058000000000036,058 | 7002409789999900000409.78 sq mi (70031061000000000001,061 km2) |
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Pickaway County | 129 | Circleville | March 1, 1810 | Ross, Fairfield, and Franklin Counties | A misspelling of the Piqua tribe, a branch of the Shawnee or A variant of a Native American word "Piqua" |
700455698000000000055,698 | 7002501910000000000501.91 sq mi (70031300000000000001,300 km2) |
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Pike County | 131 | Waverly | February 1, 1815 | Ross, Scioto, and Adams Counties | General Zebulon M. Pike (1779–1813), a Revolutionary War officer and discoverer of Pikes Peak in Colorado in 1806 | 700428709000000000028,709 | 7002441490000000000441.49 sq mi (70031143000000000001,143 km2) |
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Portage County | 133 | Ravenna | June 7, 1807 | Trumbull County | Derived from an Indian portage | 7005161419000000000161,419 | 7002492390000000000492.39 sq mi (70031275000000000001,275 km2) |
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Preble County | 135 | Eaton | March 1, 1808 | Montgomery and Butler Counties | Captain Edward Preble (1761-1807), a Naval commander in the Revolutionary War | 700442270000000000042,270 | 7002424800000000000424.80 sq mi (70031100000000000001,100 km2) |
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Putnam County | 137 | Ottawa | April 1, 1820 | Shelby County | General Israel Putnam (1718–1790), a Revolutionary War officer | 700434499000000000034,499 | 7002483870000000000483.87 sq mi (70031253000000000001,253 km2) |
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Richland County | 139 | Mansfield | March 1, 1808 | Fairfield County | Descriptive of the soil in the area | 7005124475000000000124,475 | 7002496880000000000496.88 sq mi (70031287000000000001,287 km2) |
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Ross County | 141 | Chillicothe | August 20, 1798 | Adams and Washington Counties | Named for U.S. Senator from Pennsylvania James Ross by territorial governor Arthur St. Clair | 700478064000000000078,064 | 7002688410000000000688.41 sq mi (70031783000000000001,783 km2) |
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Sandusky County | 143 | Fremont | April 1, 1820 | Huron County | An Iroquois word meaning "cold water" | 700460944000000000060,944 | 7002409180000000000409.18 sq mi (70031060000000000001,060 km2) |
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Scioto County | 145 | Portsmouth | May 1, 1803 | Adams County | Scioto River; Scioto is a Wyandot word meaning "deer" | 700479499000000000079,499 | 7002612270000000000612.27 sq mi (70031586000000000001,586 km2) |
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Seneca County | 147 | Tiffin | April 1, 1820 | Huron County | Seneca Indians, who had a reservation in the county area at the time | 700456745000000000056,745 | 7002550590000000000550.59 sq mi (70031426000000000001,426 km2) |
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Shelby County | 149 | Sidney | April 1, 1819 | Miami County | General Isaac Shelby (1750–1826), a Revolutionary War officer and Governor of Kentucky, | 700449423000000000049,423 | 7002409270000000000409.27 sq mi (70031060000000000001,060 km2) |
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Stark County | 151 | Canton | February 13, 1808 | Columbiana County | General John Stark (1728–1822), a Revolutionary War officer; known as the "Hero of Bennington" for his exemplary service at the Battle of Bennington in 1777 | 7005375586000000000375,586 | 7002576140000000000576.14 sq mi (70031492000000000001,492 km2) |
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Summit County | 153 | Akron | March 3, 1840 | Medina, Portage, and Stark Counties | Derived from having the highest elevation along the Ohio Canal | 7005541781000000000541,781 | 7002412720000000000412.72 sq mi (70031069000000000001,069 km2) |
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Trumbull County | 155 | Warren | July 10, 1800 | Jefferson and Wayne Counties | Jonathan Trumbull (1710-1785), Governor of Connecticut when the county was organized | 7005210312000000000210,312 | 7002616480000000000616.48 sq mi (70031597000000000001,597 km2) |
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Tuscarawas County | 157 | New Philadelphia | March 15, 1808 | Muskingum County | Tuscarawas River, meaning "open mouth river" or the Tuscarawas tribe who lived on the river |
700492582000000000092,582 | 7002567580000000000567.58 sq mi (70031470000000000001,470 km2) |
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Union County | 159 | Marysville | April 1, 1820 | Delaware, Franklin, Logan, and Madison Counties | Named as such due to it formed by a union of four counties | 700452300000000000052,300 | 7002436650000000000436.65 sq mi (70031131000000000001,131 km2) |
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Van Wert County | 161 | Van Wert | April 1, 1820 | Darke County | Isaac Van Wart (1760-1828), captor of spy John André during the Revolutionary War | 700428744000000000028,744 | 7002410099999900000410.09 sq mi (70031062000000000001,062 km2) |
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Vinton County | 163 | McArthur | March 23, 1850 | Athens, Gallia, Hocking, Jackson, and Ross Counties | Samuel Finley Vinton (1792-1862), Ohio Statesman and U.S. Congressman | 700413435000000000013,435 | 7002414080000000000414.08 sq mi (70031072000000000001,072 km2) |
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Warren County | 165 | Lebanon | May 1, 1803 | Hamilton County | General Joseph Warren (1741-1775), a Revolutionary War officer | 7005212693000000000212,693 | 7002399630000000000399.63 sq mi (70031035000000000001,035 km2) |
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Washington County | 167 | Marietta | July 27, 1788 | One of the original counties | George Washington (1732–1799), commander of the Continental Army, president of the Constitutional Convention, and future U.S. President | 700461778000000000061,778 | 7002635150000000000635.15 sq mi (70031645000000000001,645 km2) |
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Wayne County | 169 | Wooster | March 1, 1808 | From non-county area | General Anthony Wayne (1745–1796), a Revolutionary War officer | 7005114520000000000114,520 | 7002555360000000000555.36 sq mi (70031438000000000001,438 km2) |
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Williams County | 171 | Bryan | April 1, 1820 | Darke County | David Williams (1754-1831), captor of spy John André during the Revolutionary War | 700437642000000000037,642 | 7002421740000000000421.74 sq mi (70031092000000000001,092 km2) |
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Wood County | 173 | Bowling Green | April 1, 1820 | Refactored from non-county territory | Eleazer D. Wood (1783 -1814), founder of Fort Meigs | 7005125488000000000125,488 | 7002617320000000000617.32 sq mi (70031599000000000001,599 km2) |
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Wyandot County | 175 | Upper Sandusky | February 3, 1845 | Marion, Crawford, and Hardin Counties | Wyandot Indians | 700422615000000000022,615 | 7002405610000000000405.61 sq mi (70031051000000000001,051 km2) |
Read more about this topic: List Of Counties In Ohio
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