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.

Data Source: US Census Bureau.
Ranking of Missouri Counties By Percentage of Population with Unclassified Ancestry in 2021
Linn County
Livingston County
Mercer County
Carroll County
Oregon County
Wright County
Douglas County
McDonald County
Ozark County
Howell County
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