Population in Missouri by County

Total population.

U.S. Census Bureau · ACS 5-year 2020-2024 · Updated November 2026

Missouri

6,191,814

Counties

115

Highest

St. Louis

995,569

Lowest

Worth

1,934

All Missouri counties, ranked

# Counties Population
1 St. Louis 995,569
2 Jackson 719,976
3 St. Charles 414,535
4 Greene 303,375
5 St. Louis 288,512
6 Clay 258,122
7 Jefferson 229,458
8 Boone 188,043
9 Jasper 124,357
10 Cass 110,773
11 Platte 110,371
12 Franklin 105,950
13 Christian 92,915
14 Buchanan 83,568
15 Cape Girardeau 82,735
16 Cole 77,032
17 St. Francois 66,999
18 Lincoln 63,057
19 Newton 60,118
20 Taney 56,529
21 Johnson 54,732
22 Pulaski 53,894
23 Phelps 45,194
24 Callaway 44,741
25 Camden 43,667
26 Pettis 43,397
27 Butler 42,020
28 Webster 40,500
29 Howell 40,383
30 Lawrence 38,593
31 Scott 37,933
32 Warren 37,177
33 Laclede 36,390
34 Barry 35,033
35 Lafayette 33,115
36 Polk 32,444
37 Stone 32,048
38 Stoddard 28,470
39 Marion 28,457
40 Dunklin 27,493
41 Adair 25,301
42 Miller 25,269
43 Texas 25,161
44 Audrain 24,548
45 Randolph 24,365
46 McDonald 23,701
47 Washington 23,470
48 Saline 23,231
49 Ray 23,145
50 Crawford 22,797
51 Henry 22,328
52 Morgan 21,717
53 Clinton 21,414
54 Nodaway 20,774
55 Benton 20,151
56 Vernon 19,687
57 Perry 18,976
58 Wright 18,965
59 Ste. Genevieve 18,571
60 Andrew 18,065
61 Pike 17,711
62 Dallas 17,551
63 Cooper 16,824
64 Bates 16,186
65 New Madrid 15,731
66 Moniteau 15,262
67 Macon 15,163
68 Pemiscot 14,958
69 Gasconade 14,746
70 Cedar 14,615
71 Dent 14,539
72 Livingston 14,364
73 Osage 13,402
74 Madison 12,729
75 Douglas 11,965
76 Mississippi 11,902
77 Linn 11,852
78 Barton 11,690
79 Montgomery 11,426
80 DeKalb 10,876
81 Wayne 10,862
82 Ripley 10,708
83 Bollinger 10,559
84 Ralls 10,428
85 Howard 10,147
86 Lewis 9,924
87 Grundy 9,787
88 St. Clair 9,587
89 Iron 9,446
90 Caldwell 8,927
91 Ozark 8,873
92 Monroe 8,734
93 Oregon 8,673
94 Hickory 8,585
95 Daviess 8,477
96 Maries 8,450
97 Carroll 8,411
98 Harrison 8,190
99 Dade 7,641
100 Chariton 7,390
101 Shannon 7,177
102 Clark 6,675
103 Gentry 6,245
104 Reynolds 6,010
105 Shelby 5,986
106 Sullivan 5,857
107 Carter 5,297
108 Atchison 5,187
109 Scotland 4,686
110 Putnam 4,642
111 Holt 4,240
112 Schuyler 4,038
113 Knox 3,756
114 Mercer 3,482
115 Worth 1,934

About this dataset

Total population. Source: ACS 5-year 2020-2024 Data Profile, variable DP05_0001E. Values in people.

Source
U.S. Census Bureau
Citation
U.S. Census Bureau, American Community Survey 5-Year Estimates Data Profiles (2020-2024), DP05_0001E
Vintage
ACS 5-year 2020-2024
License
Public domain (U.S. Census Bureau)
Unit
people
Available at
State · County · ZIP code
Territory roll-up
Summed across each territory
Last loaded
November 2026

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US Population nationwide