Missouri Citizen Population By County in 2012 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2012, the citizen population for Missouri was 5,848,010 and represented 97.75% of the total Missouri population.

Among all Missouri counties, St. Louis had the highest citizen population (964.48K), followed by Jackson (649.21K), and St. Charles (354.14K).

In terms of percentages, Reynolds had the highest percentage of its population being citizens (100.00%), followed by Worth (100.00%), and Macon (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 2012

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

See this for other years:

Missouri Citizen Population By County in 2012

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County	Citizen Population	% of County Population
St. Louis	964480	96.53
Jackson	649205	96.50
St. Charles	354140	98.18
St. Louis city	303695	95.34
Greene	271010	98.31
Jefferson	216590	99.07
Clay	216420	97.47
Boone	156715	95.99
Jasper	112890	96.91
Franklin	100875	99.44
Cass	98315	98.91
Buchanan	87520	98.16
Platte	87135	97.29
Christian	76715	99.02
Cape Girardeau	74650	98.63
Cole	74575	98.36
St. Francois	64950	99.55
Newton	56790	97.39
Johnson	52205	98.57
Lincoln	52155	99.09
Pulaski	50435	97.70
Taney	50075	97.05
Callaway	43675	98.91
Phelps	43610	97.29
Camden	43265	98.94
Butler	42540	99.42
Howell	39975	99.12
Pettis	39975	95.08
Scott	39030	99.59
Lawrence	37845	98.15
Webster	36070	99.68
Laclede	35450	99.85
Barry	34710	97.28
Lafayette	33070	99.37
Warren	32030	98.74
Stone	31800	99.47
Dunklin	31255	97.76
Polk	30850	99.40
Stoddard	29815	99.72
Marion	28525	99.37
Texas	25715	99.52
Audrain	25410	99.20
Randolph	25310	99.69
Washington	25060	99.76
Adair	25010	97.93
Crawford	24655	99.60
Miller	24560	98.95
Ray	23350	99.70
Nodaway	23080	99.04
Saline	22300	96.00
Henry	22130	99.53
McDonald	21720	94.56
Vernon	20745	98.97
Clinton	20590	99.54
Morgan	20360	99.41
Benton	18805	98.87
Perry	18695	98.47
New Madrid	18665	99.39
Wright	18525	98.91
Pike	18340	98.74
Pemiscot	18145	99.21
Ste. Genevieve	17855	98.84
Cooper	17440	99.43
Andrew	17190	99.91
Bates	16860	99.15
Dallas	16765	99.64
Macon	15525	99.97
Dent	15470	99.20
Moniteau	15365	98.59
Gasconade	15125	99.77
Livingston	15040	99.80
Mississippi	14135	99.33
Ripley	13975	99.33
Cedar	13910	99.79
Osage	13840	99.89
Douglas	13630	99.56
Wayne	13425	99.85
DeKalb	12745	98.95
Linn	12610	99.53
Bollinger	12375	99.88
Barton	12280	98.79
Madison	12175	98.70
Montgomery	12125	99.55
Oregon	10795	99.17
Iron	10525	99.62
Grundy	10195	99.42
Ralls	10190	99.90
Howard	10100	99.41
Lewis	10075	98.73
Ozark	9665	99.95
St. Clair	9620	99.23
Hickory	9530	99.74
Caldwell	9275	99.73
Carroll	9165	98.76
Maries	9065	99.18
Monroe	8865	99.89
Harrison	8845	99.38
Shannon	8390	99.82
Daviess	8315	99.70
Dade	7805	99.94
Chariton	7745	99.81
Clark	7060	99.72
Gentry	6730	99.34
Reynolds	6680	100.00
Sullivan	6295	94.45
Shelby	6265	98.97
Carter	6210	99.76
Atchison	5655	99.82
Putnam	4955	99.60
Holt	4835	99.90
Scotland	4825	99.59
Schuyler	4330	98.52
Knox	4105	99.88
Mercer	3730	99.07
Worth	2145	100.00