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Ohio county Total population estimates. Select sortable headings to reorder; select a county name for detail.
County Total population Adams County, Ohio 27,540 Allen County, Ohio 101,348 Ashland County, Ohio 52,256 Ashtabula County, Ohio 97,167 Athens County, Ohio 61,737 Auglaize County, Ohio 46,125 Belmont County, Ohio 65,473 Brown County, Ohio 43,845 Butler County, Ohio 392,876 Carroll County, Ohio 26,659 Champaign County, Ohio 38,804 Clark County, Ohio 135,158 Clermont County, Ohio 211,181 Clinton County, Ohio 42,012 Columbiana County, Ohio 100,704 Coshocton County, Ohio 36,744 Crawford County, Ohio 41,711 Cuyahoga County, Ohio 1,245,873 Darke County, Ohio 51,594 Defiance County, Ohio 38,343 Delaware County, Ohio 226,834 Erie County, Ohio 74,581 Fairfield County, Ohio 163,453 Fayette County, Ohio 28,876 Franklin County, Ohio 1,333,048 Fulton County, Ohio 42,240 Gallia County, Ohio 29,068 Geauga County, Ohio 95,481 Greene County, Ohio 169,688 Guernsey County, Ohio 38,223 Hamilton County, Ohio 830,774 Hancock County, Ohio 74,866 Hardin County, Ohio 30,475 Harrison County, Ohio 14,306 Henry County, Ohio 27,567 Highland County, Ohio 43,517 Hocking County, Ohio 27,799 Holmes County, Ohio 44,418 Huron County, Ohio 58,319 Jackson County, Ohio 32,650 Jefferson County, Ohio 64,518 Knox County, Ohio 63,142 Lake County, Ohio 232,216 Lawrence County, Ohio 56,819 Licking County, Ohio 181,837 Logan County, Ohio 46,089 Lorain County, Ohio 317,129 Lucas County, Ohio 428,018 Madison County, Ohio 44,423 Mahoning County, Ohio 226,491 Marion County, Ohio 65,020 Medina County, Ohio 183,660 Meigs County, Ohio 21,896 Mercer County, Ohio 42,484 Miami County, Ohio 110,296 Monroe County, Ohio 13,227 Montgomery County, Ohio 536,096 Morgan County, Ohio 13,651 Morrow County, Ohio 35,404 Muskingum County, Ohio 86,411 Noble County, Ohio 14,282 Ottawa County, Ohio 39,994 Paulding County, Ohio 18,791 Perry County, Ohio 35,535 Pickaway County, Ohio 60,131 Pike County, Ohio 27,044 Portage County, Ohio 161,956 Preble County, Ohio 40,765 Putnam County, Ohio 34,314 Richland County, Ohio 125,099 Ross County, Ohio 76,492 Sandusky County, Ohio 58,778 Scioto County, Ohio 72,627 Seneca County, Ohio 54,770 Shelby County, Ohio 47,929 Stark County, Ohio 373,713 Summit County, Ohio 537,864 Trumbull County, Ohio 200,929 Tuscarawas County, Ohio 92,385 Union County, Ohio 67,324 Van Wert County, Ohio 28,826 Vinton County, Ohio 12,630 Warren County, Ohio 250,008 Washington County, Ohio 58,978 Wayne County, Ohio 116,588 Williams County, Ohio 36,719 Wood County, Ohio 132,064 Wyandot County, Ohio 21,598
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Method and limitations
The displayed total is the ACS Data Profile DP05_0001E direct total-population estimate.
This is a five-year ACS survey estimate, not a decennial census count. DP05_0001M is the ACS 90-percent-confidence MOE. null estimate with source state valid, missing, suppressed, or invalid; zero remains valid. Five equal-width color bands span the valid values in this state; colors are not comparable across states.
See the ACS user notes and the downloadable provenance file for definitions, source fields, inputs, retrieval receipt, and checksums.