Ranking of Tennessee Counties By Population with Scotch Irish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 135.91K people in Tennessee with Scotch Irish ancestry. Among all Tennessee counties, Knox County had the highest population with Scotch Irish ancestry (16.48K), followed by Davidson County (11.98K), and Shelby County (9.60K).

The chart and table below shows the top 10 counties with high number of people with Scotch Irish 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 Scotch Irish Ancestry in 2021
Knox County
Davidson County
Shelby County
Hamilton County
Williamson County
Rutherford County
Sullivan County
Sumner County
Blount County
Washington County
Ranking of Tennessee Counties By Population with Scotch Irish Ancestry in 2021
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Rank County Population
1 Knox County 16483
2 Davidson County 11979
3 Shelby County 9603
4 Hamilton County 6347
5 Williamson County 6251
6 Rutherford County 6178
7 Sullivan County 5880
8 Sumner County 4210
9 Blount County 4104
10 Washington County 3929
11 Sevier County 3767
12 Wilson County 2569
13 Anderson County 2558
14 Bradley County 2556
15 Montgomery County 2343
16 Madison County 2061
17 Maury County 1867
18 Putnam County 1824
19 Roane County 1665
20 Jefferson County 1663
21 Carter County 1606
22 Greene County 1329
23 Hawkins County 1315
24 Loudon County 1247
25 Hamblen County 1242
26 Cumberland County 1155
27 Robertson County 1102
28 Dyer County 1058
29 Tipton County 1002
30 Marshall County 996
31 Campbell County 985
32 Franklin County 964
33 Monroe County 888
34 Lawrence County 876
35 Fayette County 866
36 McMinn County 808
37 Johnson County 763
38 Gibson County 715
39 Scott County 667
40 Morgan County 665
41 Carroll County 662
41 Coffee County 662
41 White County 662
42 Bedford County 656
43 Dickson County 623
43 Warren County 623
44 Giles County 617
44 Lincoln County 617
45 Rhea County 598
46 Cheatham County 584
47 Fentress County 559
48 Marion County 554
49 Grainger County 527
50 Macon County 454
51 Cocke County 430
52 Henderson County 428
53 Stewart County 414
54 Unicoi County 402
55 Union County 401
56 McNairy County 398
57 Claiborne County 391
58 Sequatchie County 383
59 Humphreys County 380
60 Henry County 364
61 Weakley County 350
62 Smith County 345
63 Obion County 326
64 Hardin County 325
65 Hardeman County 284
66 Meigs County 254
67 Lewis County 253
68 Grundy County 242
69 Polk County 232
70 Cannon County 220
71 Hickman County 219
72 Lauderdale County 202
73 Crockett County 197
74 Benton County 194
75 DeKalb County 164
76 Wayne County 160
77 Jackson County 157
78 Clay County 155
79 Overton County 149
80 Perry County 143
81 Chester County 137
82 Bledsoe County 118
83 Decatur County 107
84 Lake County 104
85 Haywood County 96
86 Van Buren County 76
87 Pickett County 63
88 Moore County 60
89 Houston County 49
90 Trousdale County 29
91 Hancock County 25