Ranking of Tennessee 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 1.91M people in Tennessee with Unclassified ancestry (27.90% of Tennessee population). Among all Tennessee counties, Scott County had the highest percentage of its population with Unclassified ancestry (48.85%), followed by Henderson County (47.10%), and Moore County (46.15%).

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 Tennessee.

Data Source: US Census Bureau.
Ranking of Tennessee Counties By Percentage of Population with Unclassified Ancestry in 2021
Scott County
Henderson County
Moore County
McNairy County
Cocke County
Bledsoe County
Lincoln County
Campbell County
Van Buren County
Sequatchie County
Ranking of Tennessee Counties By Percentage of Population with Unclassified Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Scott County 48.85
2 Henderson County 47.10
3 Moore County 46.15
4 McNairy County 46.05
5 Cocke County 45.75
6 Bledsoe County 45.09
7 Lincoln County 45.03
8 Campbell County 44.93
9 Van Buren County 43.99
10 Sequatchie County 43.86
11 Grundy County 43.49
12 DeKalb County 42.91
13 Hardin County 42.59
14 Coffee County 42.46
15 Marion County 41.86
16 Franklin County 41.02
17 Cannon County 39.88
18 Smith County 39.80
19 White County 39.64
20 Blount County 39.51
21 Hamblen County 38.96
22 Decatur County 38.75
23 Warren County 38.63
24 Humphreys County 38.58
25 Houston County 38.54
26 Fentress County 38.43
27 Claiborne County 37.98
28 Overton County 37.92
29 Trousdale County 37.69
30 Crockett County 36.92
31 Morgan County 36.85
32 Jackson County 36.69
33 Pickett County 36.63
34 Polk County 36.45
35 Roane County 36.43
36 Anderson County 35.71
37 Chester County 35.66
38 McMinn County 34.77
39 Lake County 34.59
40 Union County 34.56
41 Meigs County 34.54
42 Rhea County 34.33
43 Loudon County 34.14
44 Cheatham County 34.01
45 Monroe County 33.92
46 Stewart County 33.67
47 Macon County 32.55
48 Bradley County 32.40
49 Hickman County 32.36
50 Carter County 32.15
51 Hancock County 32.10
52 Clay County 32.08
53 Lawrence County 31.59
54 Gibson County 31.50
55 Lauderdale County 31.48
56 Dickson County 30.95
57 Obion County 30.84
58 Dyer County 30.61
59 Hawkins County 29.80
60 Bedford County 29.78
61 Wilson County 29.50
62 Wayne County 29.12
63 Sumner County 28.65
64 Giles County 28.54
65 Rutherford County 28.46
66 Robertson County 28.35
67 Madison County 28.20
68 Cumberland County 28.07
69 Haywood County 27.94
70 Fayette County 27.66
71 Putnam County 27.63
72 Hamilton County 27.35
73 Maury County 26.93
74 Johnson County 26.85
75 Knox County 26.78
76 Hardeman County 26.73
77 Williamson County 26.69
78 Marshall County 26.40
79 Perry County 26.21
80 Sullivan County 26.02
80 Unicoi County 26.02
81 Montgomery County 25.57
82 Lewis County 25.27
83 Grainger County 25.14
84 Sevier County 24.33
85 Weakley County 23.68
86 Greene County 23.59
87 Davidson County 23.17
88 Washington County 22.86
89 Tipton County 22.43
90 Benton County 22.26
91 Henry County 20.49
92 Carroll County 19.02
93 Jefferson County 18.31
94 Shelby County 17.92