Ranking of Missouri Counties By Population with American Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 442.87K people in Missouri with American ancestry. Among all Missouri counties, St. Louis County had the highest population with American ancestry (44.70K), followed by Jackson County (29.89K), and St. Charles County (27.29K).

The chart and table below shows the top 10 counties with high number of people with American ancestry.

You can see similar information for other states and for other ancestry groups in Missouri.

Data Source: US Census Bureau.
Ranking of Missouri Counties By Population with American Ancestry in 2021
St. Louis County
Jackson County
St. Charles County
Greene County
Clay County
Jefferson County
St. Louis city
St. Francois County
Boone County
Jasper County
Ranking of Missouri Counties By Population with American Ancestry in 2021
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Rank County Population
1 St. Louis County 44696
2 Jackson County 29891
3 St. Charles County 27292
4 Greene County 21702
5 Clay County 16252
6 Jefferson County 15963
7 St. Louis city 13376
8 St. Francois County 12021
9 Boone County 10717
10 Jasper County 10244
11 Franklin County 9385
12 Cape Girardeau County 9276
13 Camden County 7985
14 Christian County 7072
15 Cass County 6545
16 Buchanan County 6035
17 Cole County 5761
18 Butler County 5187
19 Phelps County 5049
20 Laclede County 4820
21 Platte County 4714
22 Newton County 4554
23 Lincoln County 4478
24 Taney County 4308
25 Callaway County 4163
26 Polk County 4135
27 Lawrence County 4080
28 Stoddard County 4040
29 Scott County 3742
30 Morgan County 3728
31 Webster County 3672
32 Miller County 3552
33 Crawford County 3500
34 Howell County 3481
35 Johnson County 3251
36 Pettis County 3246
37 Pulaski County 3177
38 Washington County 2905
39 Audrain County 2859
40 Barry County 2838
41 Dunklin County 2755
42 Randolph County 2726
43 Perry County 2612
44 Stone County 2559
45 Ste. Genevieve County 2537
46 Madison County 2508
47 Lafayette County 2459
48 Ray County 2451
49 Marion County 2217
50 Pike County 2108
51 Texas County 2050
52 Benton County 2020
53 Henry County 2019
54 Bollinger County 1854
55 Wayne County 1786
56 DeKalb County 1774
57 Clinton County 1765
58 Caldwell County 1756
59 Vernon County 1719
60 Moniteau County 1699
61 Wright County 1698
62 Pemiscot County 1653
63 Saline County 1645
64 Daviess County 1625
65 Warren County 1606
66 Gasconade County 1583
67 New Madrid County 1575
68 Lewis County 1549
69 Dallas County 1499
70 Osage County 1486
71 Adair County 1474
72 Mississippi County 1463
73 Nodaway County 1407
74 Cooper County 1394
75 Macon County 1356
76 Grundy County 1334
77 Dent County 1327
78 Harrison County 1321
79 Iron County 1300
80 Cedar County 1249
81 McDonald County 1181
82 Ralls County 1125
83 Gentry County 1105
84 Bates County 1085
85 Douglas County 1070
86 Ripley County 1031
87 Andrew County 1026
88 Maries County 1020
89 Livingston County 987
90 Linn County 972
91 Monroe County 964
92 St. Clair County 905
93 Dade County 867
94 Hickory County 848
95 Montgomery County 838
96 Howard County 828
97 Shannon County 737
98 Barton County 733
99 Sullivan County 732
100 Reynolds County 721
101 Carter County 693
102 Carroll County 614
102 Oregon County 614
103 Shelby County 596
104 Scotland County 593
105 Chariton County 583
106 Clark County 508
107 Atchison County 504
108 Ozark County 499
109 Holt County 409
110 Putnam County 408
111 Mercer County 379
112 Schuyler County 367
113 Knox County 364
114 Worth County 358