Ranking of Tennessee Counties By Population with Irish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 638.14K people in Tennessee with Irish ancestry. Among all Tennessee counties, Davidson County had the highest population with Irish ancestry (55.74K), followed by Knox County (49.52K), and Shelby County (47.82K).

The chart and table below shows the top 10 counties with high number of people with 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 Irish Ancestry in 2021
Davidson County
Knox County
Shelby County
Hamilton County
Rutherford County
Williamson County
Montgomery County
Sullivan County
Sumner County
Wilson County
Ranking of Tennessee Counties By Population with Irish Ancestry in 2021
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Rank County Population
1 Davidson County 55738
2 Knox County 49519
3 Shelby County 47824
4 Hamilton County 37350
5 Rutherford County 29951
6 Williamson County 27990
7 Montgomery County 20464
8 Sullivan County 20189
9 Sumner County 19038
10 Wilson County 16145
11 Washington County 14574
12 Blount County 13827
13 Bradley County 13067
14 Sevier County 12505
15 Anderson County 8174
16 Robertson County 7725
17 Putnam County 7706
18 Madison County 7440
19 Maury County 7132
20 Greene County 7011
21 Cumberland County 6920
22 McMinn County 6875
23 Tipton County 6460
24 Monroe County 6296
25 Dickson County 6277
26 Loudon County 5885
27 Jefferson County 5418
28 Hawkins County 5314
29 Carter County 5312
30 Coffee County 5144
31 Gibson County 5141
32 Cheatham County 5070
33 Roane County 4928
34 Lawrence County 4701
35 Dyer County 4605
36 Claiborne County 4189
37 Bedford County 4147
38 Hamblen County 4020
39 Fayette County 3974
40 Rhea County 3944
41 Obion County 3844
42 Warren County 3820
43 Giles County 3663
44 Franklin County 3586
45 Marshall County 3523
46 Campbell County 3382
47 Marion County 3238
48 Hardin County 3170
49 Henry County 3159
50 Cocke County 2933
51 Morgan County 2754
52 Polk County 2613
53 McNairy County 2583
54 Lincoln County 2572
55 Carroll County 2545
56 Hickman County 2437
57 Union County 2410
58 Henderson County 2362
59 Weakley County 2319
60 White County 2287
61 Scott County 2282
62 Grainger County 2240
63 Macon County 2096
64 Wayne County 2033
65 Fentress County 1992
66 Unicoi County 1900
67 Lauderdale County 1864
67 Meigs County 1864
68 Hardeman County 1799
69 Overton County 1779
70 Humphreys County 1769
71 Smith County 1767
72 DeKalb County 1757
73 Johnson County 1753
74 Bledsoe County 1696
75 Stewart County 1691
76 Chester County 1676
77 Grundy County 1644
78 Crockett County 1542
79 Cannon County 1499
80 Decatur County 1478
81 Benton County 1318
82 Sequatchie County 1254
83 Houston County 1253
84 Lewis County 1246
85 Jackson County 1154
86 Trousdale County 1034
87 Moore County 884
88 Haywood County 858
89 Perry County 785
90 Clay County 695
91 Van Buren County 685
92 Lake County 661
93 Hancock County 552
94 Pickett County 452