List of Ohio counties
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There are 88 County (United States), counties in the U.S. state of Ohio. Nine of them existed at the time of the Ohio Constitutional Convention (1802), Ohio Constitutional Convention in 1802.. Other editions available at an
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/ref> A tenth county, Wayne, was established on August 15, 1796, and encompassed roughly the present state of Michigan. Other editions available at During the Convention, the county was opposed to statehood, and was not only left out of the Convention, but dissolved; the current Wayne County, Ohio, Wayne County is in northeastern Ohio, considerably distant from the area that was the original Wayne County. The Ohio Constitution allows counties to set up a Municipal charter, charter government as many city#United States, cities and Village (United States)#Ohio, villages do, (OH county charter). Other editions available: an
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/ref> but only Summit County, Ohio, Summit and Cuyahoga County, Ohio, Cuyahoga counties have done so, the latter having been approved by voters in November 2009. Counties do not possess home rule powers and can do only what has been expressly authorized by the Ohio General Assembly. The elected county officials in Ohio county governments include County commission, three commissioners, a Sheriffs in the United States, sheriff (the highest law enforcement officer in the county); prosecutor (equivalent of a district attorney in other states); coroner, engineer, County auditor, auditor, treasurer, and Court clerk, clerk of courts. Population figures are based on the 2021 vintage United States Census, Census population estimates. The population of Ohio was 11,780,017 at that time, a decrease of 0.2% from 2020. The average population of Ohio's counties was 133,864; Franklin County, Ohio, Franklin County was the most populous (1,321,414) and Vinton County, Ohio, Vinton County was the least (12,696). The average land area is . The largest county by area is Ashtabula County, Ohio, Ashtabula County at , and its neighbor, Lake County, Ohio, Lake County, is the smallest at . The total area of the state is . The Federal Information Processing Standard (FIPS) is used by the U.S. government to uniquely identify counties, and is provided for each entry. These codes link to the United States Census Bureau's "quick facts" for each county. Ohio's FIPS code of 39 is used to distinguish from counties in other states. For example, Adams County's unique nationwide identifier is 39001. However, the Ohio Bureau of Motor Vehicles, Bureau of Motor Vehicles and Ohio Department of Transportation, Department of Transportation instead identify counties by Vehicle registration plates of Ohio#List of county numbers, consecutive numbers and three-letter abbreviations, respectively. For historic preservation purposes, Ohio History Connection refers to counties by two- and three-letter abbreviations in the Ohio Archaeological Inventory and Ohio Historic Inventory, respectively.


List of counties


See also

* Ohio county government * List of Ohio townships * Illinois County, Virginia, the county that formerly covered all of present-day Ohio


References


Further reading

* * {{DEFAULTSORT:List Of Counties In Ohio Lists of counties of the United States by state, Ohio, counties in Ohio counties, *List Ohio geography-related lists, Counties