Missouri Citizen Population By County in 2010 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen population for Missouri was 5,796,090 and represented 97.87% of the total Missouri population.

Among all Missouri counties, St. Louis had the highest citizen population (966.73K), followed by Jackson (643.58K), and St. Charles (344.83K).

In terms of percentages, Ralls had the highest percentage of its population being citizens (100.00%), followed by Schuyler (100.00%), and Livingston (99.97%).

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:
Missouri Citizen Voting-age Population By County in 2010

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

See this for other years:

Missouri Citizen Population By County in 2010

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County	Citizen Population	% of County Population
St. Louis	966725	96.73
Jackson	643575	96.49
St. Charles	344825	98.35
St. Louis city	304970	95.66
Greene	266110	98.49
Jefferson	214380	99.13
Clay	209875	97.61
Boone	151875	96.08
Jasper	111590	97.01
Franklin	100240	99.51
Cass	96715	99.09
Buchanan	86960	98.60
Platte	84935	97.74
Christian	73575	99.22
Cape Girardeau	73495	98.94
Cole	73290	98.03
St. Francois	63920	99.50
Newton	56110	97.48
Johnson	51130	98.25
Lincoln	51025	99.40
Taney	48405	98.14
Pulaski	47800	97.32
Phelps	43545	97.91
Callaway	43385	99.12
Camden	42820	99.22
Butler	42130	99.28
Pettis	39775	95.65
Howell	39310	98.86
Scott	39255	99.71
Lawrence	37500	97.72
Webster	35610	99.80
Laclede	35285	99.80
Barry	34690	97.02
Lafayette	33050	99.21
Stone	31810	99.39
Dunklin	31455	97.87
Warren	31305	98.96
Polk	30500	99.25
Stoddard	30060	99.90
Marion	28495	99.70
Texas	25540	99.53
Audrain	25415	98.95
Randolph	25395	99.61
Washington	24885	99.62
Adair	24845	98.14
Crawford	24600	99.84
Miller	24540	98.93
Ray	23575	99.62
Nodaway	22660	98.39
Henry	22285	99.60
Saline	22285	96.37
McDonald	21925	95.26
Vernon	20695	98.95
Clinton	20560	99.42
Morgan	20550	99.61
New Madrid	18730	99.39
Benton	18680	98.45
Perry	18635	98.49
Wright	18575	99.17
Pemiscot	18460	99.33
Pike	18340	98.66
Ste. Genevieve	18165	99.78
Cooper	17490	99.46
Bates	17035	99.45
Andrew	16875	99.24
Dallas	16750	99.61
Macon	15525	99.90
Dent	15435	99.61
Gasconade	15265	99.54
Moniteau	15250	98.58
Livingston	14955	99.97
Cedar	14035	99.61
Ripley	13955	99.29
Mississippi	13790	97.49
Osage	13760	99.93
Douglas	13655	99.74
Wayne	13380	99.59
Linn	12775	99.61
DeKalb	12705	98.72
Barton	12545	99.29
Bollinger	12375	99.44
Montgomery	12225	99.84
Madison	12130	98.86
Oregon	10685	99.49
Iron	10650	99.81
Grundy	10150	99.36
Lewis	10145	99.12
Ralls	10125	100.00
Howard	10045	99.26
St. Clair	9745	99.90
Ozark	9665	99.74
Hickory	9565	99.84
Carroll	9405	99.16
Caldwell	9335	99.52
Maries	9130	99.19
Monroe	9045	99.62
Harrison	8895	99.50
Daviess	8350	99.88
Shannon	8340	99.23
Dade	7925	99.94
Chariton	7850	99.75
Clark	7140	99.58
Gentry	6730	99.56
Reynolds	6690	99.85
Shelby	6385	99.15
Sullivan	6320	93.91
Carter	6120	99.67
Atchison	5790	99.66
Putnam	5025	99.70
Holt	4925	99.60
Scotland	4810	99.59
Schuyler	4360	100.00
Knox	4130	99.88
Mercer	3675	98.53
Worth	2180	99.54