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.
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Related Topics: Missouri ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
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 |