Ranking of Missouri Counties By Percentage of 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 (27.06% of Missouri population). Among all Missouri counties, Linn County had the highest percentage of its population with Unclassified ancestry (53.74%), followed by Livingston County (53.52%), and Mercer County (49.93%).
The chart and table below shows the top 10 counties with high percentage of its population having Unclassified 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 Percentage of Population with Unclassified Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Linn County | 53.74 |
| 2 | Livingston County | 53.52 |
| 3 | Mercer County | 49.93 |
| 4 | Carroll County | 49.40 |
| 4 | Oregon County | 49.40 |
| 5 | Wright County | 48.38 |
| 6 | Douglas County | 47.57 |
| 7 | McDonald County | 45.91 |
| 8 | Ozark County | 44.37 |
| 9 | Howell County | 44.30 |
| 10 | Schuyler County | 44.09 |
| 11 | Ripley County | 44.01 |
| 12 | Wayne County | 43.83 |
| 13 | Clark County | 42.61 |
| 14 | Webster County | 42.08 |
| 15 | Shannon County | 42.05 |
| 16 | Texas County | 42.02 |
| 17 | Sullivan County | 41.42 |
| 18 | Shelby County | 40.87 |
| 19 | Lafayette County | 40.81 |
| 20 | Iron County | 40.78 |
| 21 | Putnam County | 40.40 |
| 22 | Carter County | 40.34 |
| 23 | Pike County | 40.31 |
| 24 | Grundy County | 39.74 |
| 25 | Barton County | 39.60 |
| 26 | Bollinger County | 39.40 |
| 27 | Audrain County | 39.39 |
| 28 | Knox County | 39.37 |
| 29 | Macon County | 38.95 |
| 30 | Reynolds County | 38.73 |
| 31 | Chariton County | 38.56 |
| 32 | Ray County | 37.81 |
| 33 | Barry County | 37.77 |
| 33 | Monroe County | 37.77 |
| 34 | Ralls County | 37.60 |
| 35 | Dent County | 37.57 |
| 36 | Marion County | 37.48 |
| 37 | Lewis County | 37.41 |
| 38 | Caldwell County | 37.13 |
| 39 | Butler County | 36.71 |
| 40 | Adair County | 36.69 |
| 41 | Vernon County | 36.31 |
| 42 | Cedar County | 36.27 |
| 43 | Washington County | 36.13 |
| 44 | Worth County | 35.93 |
| 45 | Gentry County | 35.53 |
| 45 | St. Clair County | 35.53 |
| 46 | Mississippi County | 35.41 |
| 47 | Dade County | 35.30 |
| 48 | Stoddard County | 35.25 |
| 49 | Harrison County | 34.78 |
| 50 | Scotland County | 34.64 |
| 51 | Nodaway County | 34.63 |
| 52 | Clinton County | 34.54 |
| 53 | Scott County | 34.52 |
| 54 | Lincoln County | 34.45 |
| 55 | Phelps County | 34.42 |
| 56 | Pettis County | 33.96 |
| 57 | Johnson County | 33.20 |
| 58 | Dunklin County | 32.99 |
| 59 | Cape Girardeau County | 32.86 |
| 60 | Jasper County | 32.73 |
| 61 | Newton County | 32.39 |
| 62 | Cooper County | 32.38 |
| 63 | Henry County | 32.07 |
| 64 | Montgomery County | 31.96 |
| 65 | Saline County | 31.28 |
| 66 | Dallas County | 31.06 |
| 67 | Crawford County | 31.04 |
| 68 | New Madrid County | 30.66 |
| 69 | Christian County | 30.65 |
| 70 | Andrew County | 30.64 |
| 71 | Taney County | 30.43 |
| 72 | Laclede County | 30.37 |
| 73 | Stone County | 30.28 |
| 74 | Perry County | 30.23 |
| 75 | Madison County | 29.94 |
| 76 | Morgan County | 29.88 |
| 77 | Bates County | 29.81 |
| 78 | Pemiscot County | 29.78 |
| 79 | Buchanan County | 29.63 |
| 80 | Polk County | 29.55 |
| 81 | Lawrence County | 29.49 |
| 82 | Atchison County | 29.46 |
| 82 | Callaway County | 29.46 |
| 83 | Jefferson County | 29.33 |
| 84 | DeKalb County | 29.32 |
| 85 | Maries County | 29.30 |
| 86 | Randolph County | 29.26 |
| 87 | Warren County | 28.94 |
| 88 | Benton County | 28.75 |
| 89 | Howard County | 28.67 |
| 90 | Holt County | 28.57 |
| 91 | Daviess County | 28.16 |
| 92 | Moniteau County | 27.84 |
| 93 | Cass County | 27.73 |
| 94 | Ste. Genevieve County | 27.47 |
| 95 | Miller County | 27.34 |
| 96 | Greene County | 26.25 |
| 97 | St. Francois County | 26.24 |
| 98 | Clay County | 25.99 |
| 99 | Pulaski County | 25.89 |
| 100 | Platte County | 25.41 |
| 101 | Franklin County | 25.20 |
| 102 | Boone County | 24.26 |
| 103 | Camden County | 23.78 |
| 104 | Cole County | 23.21 |
| 105 | Gasconade County | 23.18 |
| 106 | Jackson County | 22.77 |
| 107 | St. Charles County | 21.45 |
| 108 | St. Louis County | 20.42 |
| 109 | Osage County | 19.93 |
| 110 | Hickory County | 18.60 |
| 111 | St. Louis city | 18.04 |