Missouri Citizen Population By County in 2024 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2024, the citizen population for Missouri was 6,054,630 and represented 97.78% of the total Missouri population.

Among all Missouri counties, St. Louis had the highest citizen population (957.94K), followed by Jackson (694.08K), and St. Charles (405.73K).

In terms of percentages, Worth had the highest percentage of its population being citizens (100.00%), followed by Reynolds (99.97%), and Putnam (99.96%).

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 2024

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

See this for other years:

Missouri Citizen Population By County in 2024

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County	Citizen Population	% of County Population
St. Louis	957940	96.22
Jackson	694078	96.40
St. Charles	405727	97.88
Greene	297901	98.20
St. Louis city	277170	96.07
Clay	252740	97.92
Jefferson	228088	99.40
Boone	181957	96.77
Jasper	121392	97.62
Cass	110002	99.31
Platte	107918	97.78
Franklin	104965	99.07
Christian	92001	99.02
Buchanan	81577	97.62
Cape Girardeau	81379	98.36
Cole	75976	98.63
St. Francois	66495	99.25
Lincoln	62719	99.47
Newton	58142	96.71
Taney	55664	98.47
Johnson	53776	98.25
Pulaski	52768	97.91
Callaway	44487	99.43
Phelps	43967	97.29
Camden	43132	98.78
Butler	41877	99.66
Pettis	41728	96.15
Webster	40227	99.33
Howell	40148	99.43
Lawrence	37925	98.26
Scott	37814	99.69
Warren	37044	99.64
Laclede	36118	99.26
Barry	34127	97.41
Lafayette	32786	99.00
Polk	32282	99.50
Stone	31931	99.63
Stoddard	28409	99.79
Marion	28350	99.62
Dunklin	26868	97.73
Texas	25130	99.88
Miller	24996	98.93
Audrain	24406	99.42
Randolph	24281	99.66
Adair	24226	95.75
Washington	23397	99.69
Ray	23009	99.41
Crawford	22696	99.56
Saline	22355	96.24
Henry	22242	99.62
McDonald	21766	91.84
Morgan	21653	99.71
Clinton	21289	99.42
Nodaway	20421	98.29
Benton	20114	99.82
Vernon	19354	98.30
Wright	18934	99.84
Perry	18743	98.78
Ste. Genevieve	18527	99.78
Andrew	18036	99.85
Pike	17579	99.26
Dallas	17514	99.80
Cooper	16786	99.78
Bates	16107	99.52
New Madrid	15651	99.50
Macon	15120	99.73
Moniteau	15054	98.64
Pemiscot	14874	99.45
Gasconade	14722	99.85
Cedar	14551	99.57
Dent	14429	99.22
Livingston	14303	99.58
Osage	13388	99.90
Madison	12604	99.02
Mississippi	11882	99.82
Douglas	11878	99.27
Linn	11791	99.51
Barton	11638	99.57
Montgomery	11373	99.52
Wayne	10831	99.71
DeKalb	10738	98.73
Ripley	10639	99.37
Bollinger	10511	99.55
Ralls	10416	99.89
Howard	10104	99.59
Lewis	9869	99.42
Grundy	9729	99.41
St. Clair	9508	99.18
Iron	9391	99.42
Caldwell	8863	99.29
Ozark	8862	99.88
Monroe	8682	99.39
Oregon	8646	99.70
Hickory	8580	99.94
Maries	8441	99.89
Daviess	8439	99.58
Carroll	8402	99.86
Harrison	8136	99.34
Dade	7604	99.54
Chariton	7349	99.45
Shannon	7165	99.85
Clark	6666	99.88
Gentry	6226	99.68
Reynolds	6004	99.97
Shelby	5935	99.15
Sullivan	5508	94.06
Carter	5229	98.72
Atchison	5154	99.38
Putnam	4642	99.96
Scotland	4638	99.00
Holt	4218	99.51
Schuyler	4007	99.26
Knox	3751	99.87
Mercer	3389	97.30
Worth	1934	100.00