Ohio Citizen Population By County in 2016 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2016, the citizen population for Ohio was 11,348,025 and represented 97.94% of the total Ohio population.

Among all Ohio counties, Cuyahoga had the highest citizen population (1.22M), followed by Franklin (1.16M), and Hamilton (783.11K).

In terms of percentages, Morrow had the highest percentage of its population being citizens (99.96%), followed by Vinton (99.92%), and Monroe (99.90%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.

You may also be interested in:
Ohio Citizen Voting-age Population By County in 2016

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Ohio Citizen Population By County in 2016

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County	Citizen Population	% of County Population
Cuyahoga	1224475	97.28
Franklin	1161600	94.28
Hamilton	783105	97.16
Summit	528110	97.55
Montgomery	521675	97.92
Lucas	427845	98.40
Stark	371585	99.15
Butler	362760	97.09
Lorain	300760	98.91
Mahoning	229845	98.64
Lake	224065	97.73
Warren	215505	96.99
Trumbull	204085	99.60
Clermont	199485	99.20
Delaware	184530	97.64
Medina	174305	99.29
Licking	168295	99.14
Greene	160285	97.54
Portage	157400	97.28
Fairfield	148615	98.97
Clark	134790	98.98
Wood	127350	98.40
Richland	121160	99.40
Wayne	114450	98.88
Columbiana	104545	99.35
Allen	104065	99.43
Miami	102960	99.13
Ashtabula	98540	99.36
Geauga	93420	99.36
Tuscarawas	91665	99.01
Muskingum	85360	99.27
Scioto	76935	99.44
Ross	76890	99.61
Erie	75145	99.12
Hancock	74220	98.08
Belmont	68910	99.54
Jefferson	67290	99.53
Marion	65100	99.21
Athens	62885	96.59
Lawrence	61370	99.78
Washington	60695	99.25
Knox	60505	99.38
Sandusky	59465	99.32
Huron	57610	98.14
Pickaway	56660	99.75
Seneca	55175	99.04
Union	53225	98.65
Ashland	52750	98.89
Darke	51950	99.55
Shelby	48450	98.98
Auglaize	45645	99.51
Logan	45145	99.46
Brown	43905	99.65
Holmes	43600	99.77
Madison	43170	99.16
Highland	42895	99.50
Crawford	42235	99.41
Fulton	42140	99.24
Clinton	41665	99.55
Preble	41290	99.35
Ottawa	40900	99.81
Mercer	40645	99.41
Guernsey	39365	99.71
Champaign	39010	99.58
Defiance	38240	99.35
Williams	37060	99.44
Coshocton	36605	99.84
Perry	35875	99.81
Morrow	35015	99.96
Putnam	34015	99.71
Jackson	32490	99.31
Hardin	31285	98.85
Gallia	30250	99.59
Hocking	28460	99.20
Fayette	28440	99.03
Van Wert	28340	99.44
Pike	28220	99.72
Adams	28025	99.70
Carroll	27970	99.50
Henry	27715	99.37
Meigs	23300	99.81
Wyandot	22190	99.24
Paulding	18855	98.95
Harrison	15490	99.81
Morgan	14805	99.66
Monroe	14425	99.90
Noble	14375	99.62
Vinton	13120	99.92