Ranking of Missouri Counties By Population with Unclassified Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.66M people in Missouri with Unclassified ancestry. Among all Missouri counties, St. Louis County had the highest population with Unclassified ancestry (204.64K), followed by Jackson County (162.42K), and St. Charles County (86.31K).
The chart and table below shows the top 10 counties with high number of people with Unclassified ancestry.
You can see similar information for other states and for other ancestry groups in Missouri.
You may also be interested in:
Related Topics: Missouri ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Missouri Counties By Population with Unclassified Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | St. Louis County | 204637 |
| 2 | Jackson County | 162416 |
| 3 | St. Charles County | 86314 |
| 4 | Greene County | 77933 |
| 5 | Jefferson County | 66265 |
| 6 | Clay County | 65008 |
| 7 | St. Louis city | 54610 |
| 8 | Boone County | 44198 |
| 9 | Jasper County | 39950 |
| 10 | Cass County | 29664 |
| 11 | Christian County | 26915 |
| 12 | Platte County | 26732 |
| 13 | Cape Girardeau County | 26645 |
| 14 | Franklin County | 26296 |
| 15 | Buchanan County | 25350 |
| 16 | Lincoln County | 20220 |
| 17 | Newton County | 18994 |
| 18 | Cole County | 17969 |
| 19 | Johnson County | 17890 |
| 20 | St. Francois County | 17623 |
| 21 | Howell County | 17609 |
| 22 | Taney County | 16997 |
| 23 | Webster County | 16400 |
| 24 | Butler County | 15535 |
| 25 | Phelps County | 15384 |
| 26 | Pettis County | 14577 |
| 27 | Pulaski County | 13843 |
| 28 | Lafayette County | 13366 |
| 29 | Scott County | 13174 |
| 30 | Callaway County | 13095 |
| 31 | Barry County | 13087 |
| 32 | Lawrence County | 11243 |
| 33 | Laclede County | 10903 |
| 34 | Marion County | 10705 |
| 35 | McDonald County | 10682 |
| 36 | Texas County | 10448 |
| 37 | Camden County | 10236 |
| 38 | Stoddard County | 10157 |
| 39 | Warren County | 10140 |
| 40 | Audrain County | 9936 |
| 41 | Dunklin County | 9433 |
| 42 | Stone County | 9391 |
| 43 | Polk County | 9321 |
| 44 | Adair County | 9296 |
| 45 | Wright County | 8827 |
| 46 | Ray County | 8727 |
| 47 | Washington County | 8596 |
| 48 | Livingston County | 8028 |
| 49 | Nodaway County | 7470 |
| 50 | Clinton County | 7287 |
| 51 | Randolph County | 7281 |
| 51 | Saline County | 7281 |
| 52 | Pike County | 7277 |
| 53 | Crawford County | 7203 |
| 54 | Vernon County | 7201 |
| 55 | Henry County | 7018 |
| 56 | Miller County | 6737 |
| 57 | Linn County | 6428 |
| 58 | Morgan County | 6240 |
| 59 | Macon County | 5929 |
| 60 | Perry County | 5746 |
| 61 | Cooper County | 5633 |
| 62 | Douglas County | 5617 |
| 63 | Benton County | 5563 |
| 64 | Andrew County | 5523 |
| 65 | Dent County | 5479 |
| 66 | Dallas County | 5263 |
| 67 | Cedar County | 5145 |
| 68 | New Madrid County | 5108 |
| 69 | Ste. Genevieve County | 5056 |
| 70 | Wayne County | 4952 |
| 71 | Ripley County | 4855 |
| 72 | Bates County | 4799 |
| 73 | Pemiscot County | 4750 |
| 74 | Barton County | 4638 |
| 75 | Mississippi County | 4595 |
| 76 | Oregon County | 4392 |
| 77 | Moniteau County | 4377 |
| 78 | Bollinger County | 4239 |
| 79 | Carroll County | 4231 |
| 80 | Grundy County | 3935 |
| 81 | Iron County | 3917 |
| 82 | Ralls County | 3880 |
| 83 | Ozark County | 3844 |
| 84 | Madison County | 3771 |
| 85 | Lewis County | 3753 |
| 86 | Montgomery County | 3638 |
| 87 | Gasconade County | 3432 |
| 88 | DeKalb County | 3412 |
| 89 | Caldwell County | 3288 |
| 90 | St. Clair County | 3281 |
| 91 | Monroe County | 3264 |
| 92 | Shannon County | 3021 |
| 93 | Howard County | 2909 |
| 94 | Chariton County | 2866 |
| 95 | Harrison County | 2862 |
| 96 | Clark County | 2833 |
| 97 | Dade County | 2677 |
| 98 | Osage County | 2665 |
| 99 | Sullivan County | 2504 |
| 100 | Shelby County | 2488 |
| 101 | Maries County | 2478 |
| 102 | Reynolds County | 2377 |
| 103 | Daviess County | 2373 |
| 104 | Gentry County | 2214 |
| 105 | Carter County | 2164 |
| 106 | Putnam County | 1905 |
| 107 | Schuyler County | 1805 |
| 108 | Mercer County | 1778 |
| 109 | Scotland County | 1649 |
| 110 | Hickory County | 1568 |
| 111 | Atchison County | 1565 |
| 112 | Knox County | 1489 |
| 113 | Holt County | 1227 |
| 114 | Worth County | 720 |
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