Missouri Citizen Population By County in 2019 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2019, the citizen population for Missouri was 5,971,680 and represented 97.82% of the total Missouri population.

Among all Missouri counties, St. Louis had the highest citizen population (963.37K), followed by Jackson (671.75K), and St. Charles (386.08K).

In terms of percentages, Carter had the highest percentage of its population being citizens (100.00%), followed by Hickory (100.00%), and Scotland (100.00%).

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 2019

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

See this for other years:

Missouri Citizen Population By County in 2019

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County	Citizen Population	% of County Population
St. Louis	963365	96.63
Jackson	671745	96.49
St. Charles	386075	97.92
St. Louis city	295665	95.94
Greene	285235	98.44
Clay	238030	98.15
Jefferson	222355	99.29
Boone	169690	95.52
Jasper	116310	96.99
Franklin	102740	99.56
Cass	102605	99.04
Platte	98195	97.53
Buchanan	86120	97.36
Christian	84675	98.85
Cape Girardeau	76850	97.91
Cole	75440	98.33
St. Francois	66290	99.47
Newton	57120	98.18
Lincoln	56270	99.64
Taney	53875	97.75
Johnson	52825	98.41
Pulaski	50835	96.97
Camden	44935	98.83
Callaway	44630	99.42
Phelps	42920	96.17
Butler	42355	99.30
Pettis	40695	96.08
Howell	39880	99.44
Webster	38525	99.66
Scott	38365	99.30
Lawrence	37255	97.51
Laclede	35415	99.68
Barry	34440	96.93
Warren	34335	99.65
Lafayette	32435	99.51
Polk	31655	99.70
Stone	31420	99.38
Stoddard	29305	99.76
Dunklin	29275	97.50
Marion	28495	99.60
Texas	25555	99.81
Audrain	25370	98.93
Miller	25005	99.23
Washington	24810	99.80
Randolph	24800	99.68
Adair	24525	96.67
Crawford	24040	99.52
Ray	22805	99.69
Saline	22000	95.76
Nodaway	21970	98.26
Henry	21545	99.13
McDonald	21260	93.33
Vernon	20490	99.49
Clinton	20405	99.54
Morgan	20215	99.73
Perry	19060	99.32
Benton	19005	99.48
Pike	18390	99.65
Wright	18150	99.70
Ste. Genevieve	17780	99.61
Cooper	17565	99.46
New Madrid	17495	99.63
Andrew	17450	99.69
Pemiscot	16585	99.52
Dallas	16460	99.07
Bates	16250	99.72
Moniteau	15985	99.63
Dent	15520	99.84
Macon	15095	99.31
Livingston	15040	99.44
Gasconade	14695	99.90
Cedar	13955	99.36
Osage	13610	99.96
Ripley	13545	99.85
Mississippi	13455	99.12
Douglas	13275	99.78
Wayne	13165	99.77
DeKalb	12455	99.44
Bollinger	12210	99.88
Madison	12150	99.75
Linn	12065	99.59
Barton	11720	99.36
Montgomery	11430	99.52
Oregon	10620	99.77
Ralls	10205	99.71
Iron	10150	99.85
Howard	10035	99.75
Lewis	9910	99.55
Grundy	9755	97.65
Hickory	9405	100.00
St. Clair	9345	99.73
Ozark	9190	99.84
Caldwell	8980	99.34
Carroll	8730	99.43
Maries	8730	99.15
Monroe	8600	99.65
Harrison	8420	99.18
Daviess	8255	99.52
Shannon	8215	100.00
Dade	7540	99.47
Chariton	7470	99.80
Clark	6740	99.41
Gentry	6565	99.24
Reynolds	6285	99.92
Carter	6145	100.00
Shelby	6000	99.75
Sullivan	5985	95.84
Atchison	5200	99.43
Scotland	4900	100.00
Putnam	4770	99.79
Schuyler	4545	99.78
Holt	4425	99.89
Knox	3915	99.24
Mercer	3605	98.90
Worth	2025	100.00