Ranking of Tennessee Counties By Percentage of 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 (9.30% of Tennessee population). Among all Tennessee counties, Houston County had the highest percentage of its population with Irish ancestry (15.21%), followed by Polk County (14.93%), and Meigs County (14.77%).
The chart and table below shows the top 10 counties with high percentage of its population having Irish ancestry.
You can see similar information for other states and for other ancestry groups in Tennessee.
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Related Topics: Tennessee ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Tennessee Counties By Percentage of Population with Irish Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Houston County | 15.21 |
| 2 | Polk County | 14.93 |
| 3 | Meigs County | 14.77 |
| 4 | Monroe County | 13.68 |
| 5 | Moore County | 13.64 |
| 6 | Claiborne County | 13.11 |
| 7 | Morgan County | 13.02 |
| 8 | McMinn County | 12.96 |
| 9 | Decatur County | 12.90 |
| 10 | Sullivan County | 12.79 |
| 11 | Sevier County | 12.75 |
| 12 | Obion County | 12.51 |
| 13 | Stewart County | 12.46 |
| 14 | Dyer County | 12.45 |
| 15 | Wayne County | 12.43 |
| 16 | Cheatham County | 12.40 |
| 17 | Union County | 12.30 |
| 18 | Grundy County | 12.20 |
| 19 | Giles County | 12.13 |
| 20 | Bradley County | 12.12 |
| 21 | Rhea County | 12.05 |
| 22 | Hardin County | 11.86 |
| 23 | Dickson County | 11.62 |
| 24 | Williamson County | 11.55 |
| 25 | Cumberland County | 11.43 |
| 26 | Bledsoe County | 11.41 |
| 27 | Marion County | 11.29 |
| 28 | Van Buren County | 11.26 |
| 29 | Wilson County | 11.15 |
| 30 | Washington County | 11.04 |
| 31 | Crockett County | 11.01 |
| 32 | Fentress County | 10.84 |
| 33 | Loudon County | 10.83 |
| 34 | Lawrence County | 10.69 |
| 35 | Robertson County | 10.68 |
| 36 | Anderson County | 10.66 |
| 37 | Unicoi County | 10.62 |
| 38 | Tipton County | 10.61 |
| 39 | Cannon County | 10.48 |
| 40 | Scott County | 10.44 |
| 41 | Knox County | 10.42 |
| 42 | Marshall County | 10.39 |
| 43 | Blount County | 10.32 |
| 44 | Hamilton County | 10.27 |
| 45 | Gibson County | 10.23 |
| 46 | Greene County | 10.03 |
| 47 | Lewis County | 9.98 |
| 48 | Jefferson County | 9.97 |
| 48 | McNairy County | 9.97 |
| 49 | Jackson County | 9.93 |
| 50 | Sumner County | 9.86 |
| 51 | Hickman County | 9.81 |
| 52 | Johnson County | 9.79 |
| 53 | Henry County | 9.78 |
| 54 | Putnam County | 9.76 |
| 55 | Chester County | 9.70 |
| 56 | Grainger County | 9.58 |
| 57 | Fayette County | 9.56 |
| 58 | Montgomery County | 9.47 |
| 59 | Perry County | 9.44 |
| 60 | Carter County | 9.43 |
| 61 | Hawkins County | 9.36 |
| 61 | Warren County | 9.36 |
| 62 | Humphreys County | 9.33 |
| 63 | Roane County | 9.24 |
| 64 | Lake County | 9.20 |
| 65 | Clay County | 9.18 |
| 66 | Trousdale County | 9.02 |
| 67 | Pickett County | 9.00 |
| 68 | Coffee County | 8.99 |
| 69 | Carroll County | 8.97 |
| 70 | Rutherford County | 8.93 |
| 71 | Smith County | 8.91 |
| 72 | DeKalb County | 8.84 |
| 73 | Campbell County | 8.59 |
| 74 | Henderson County | 8.50 |
| 75 | Franklin County | 8.43 |
| 75 | White County | 8.43 |
| 76 | Macon County | 8.40 |
| 77 | Bedford County | 8.34 |
| 78 | Benton County | 8.30 |
| 79 | Hancock County | 8.24 |
| 80 | Cocke County | 8.17 |
| 81 | Sequatchie County | 7.97 |
| 82 | Overton County | 7.96 |
| 83 | Davidson County | 7.87 |
| 84 | Madison County | 7.56 |
| 85 | Lauderdale County | 7.34 |
| 85 | Lincoln County | 7.34 |
| 86 | Maury County | 7.20 |
| 87 | Weakley County | 7.04 |
| 88 | Hardeman County | 7.02 |
| 89 | Hamblen County | 6.26 |
| 90 | Shelby County | 5.15 |
| 91 | Haywood County | 4.79 |