Ranking of Tennessee 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 1.91M people in Tennessee with Unclassified ancestry. Among all Tennessee counties, Shelby County had the highest population with Unclassified ancestry (166.46K), followed by Davidson County (164.12K), and Knox County (127.27K).

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 Tennessee.

Data Source: US Census Bureau.
Ranking of Tennessee Counties By Population with Unclassified Ancestry in 2021
Shelby County
Davidson County
Knox County
Hamilton County
Rutherford County
Williamson County
Sumner County
Montgomery County
Blount County
Wilson County
Ranking of Tennessee Counties By Population with Unclassified Ancestry in 2021
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Rank County Population
1 Shelby County 166459
2 Davidson County 164122
3 Knox County 127272
4 Hamilton County 99501
5 Rutherford County 95518
6 Williamson County 64699
7 Sumner County 55308
8 Montgomery County 55270
9 Blount County 52964
10 Wilson County 42707
11 Sullivan County 41064
12 Bradley County 34939
13 Washington County 30190
14 Madison County 27736
15 Anderson County 27381
16 Maury County 26660
17 Hamblen County 25007
18 Coffee County 24301
19 Sevier County 23865
20 Putnam County 21812
21 Robertson County 20501
22 Roane County 19421
23 Loudon County 18555
24 McMinn County 18453
25 Carter County 18104
26 Campbell County 17696
27 Franklin County 17446
28 Cumberland County 16999
29 Hawkins County 16928
30 Dickson County 16711
31 Greene County 16498
32 Cocke County 16423
33 Gibson County 15838
34 Lincoln County 15778
35 Warren County 15760
36 Monroe County 15618
37 Bedford County 14816
38 Cheatham County 13904
39 Lawrence County 13888
40 Tipton County 13655
41 Henderson County 13093
42 Claiborne County 12136
43 Marion County 12005
44 McNairy County 11935
45 Fayette County 11500
46 Hardin County 11380
47 Dyer County 11317
48 Rhea County 11233
49 White County 10756
50 Scott County 10676
51 Jefferson County 9954
52 Obion County 9474
53 Marshall County 8952
54 Giles County 8618
55 DeKalb County 8528
56 Overton County 8480
57 Macon County 8122
58 Hickman County 8040
59 Lauderdale County 7997
60 Smith County 7889
61 Weakley County 7803
62 Morgan County 7797
63 Humphreys County 7314
64 Fentress County 7066
65 Sequatchie County 6898
66 Hardeman County 6846
67 Union County 6773
68 Bledsoe County 6702
69 Henry County 6617
70 Polk County 6379
71 Chester County 6162
72 Grainger County 5876
73 Grundy County 5858
74 Cannon County 5707
75 Carroll County 5396
76 Crockett County 5174
77 Haywood County 5005
78 Johnson County 4810
79 Wayne County 4761
80 Unicoi County 4655
81 Stewart County 4568
82 Decatur County 4441
83 Meigs County 4360
84 Trousdale County 4320
85 Jackson County 4266
86 Benton County 3533
87 Houston County 3175
88 Lewis County 3155
89 Moore County 2991
90 Van Buren County 2676
91 Lake County 2486
92 Clay County 2428
93 Perry County 2179
94 Hancock County 2149
95 Pickett County 1839