Ranking of Tennessee Counties By Percentage of Population with Celtic Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 896 people in Tennessee with Celtic ancestry (0.01% of Tennessee population). Among all Tennessee counties, Greene County had the highest percentage of its population with Celtic ancestry (0.19%), followed by Roane County (0.12%), and Marion County (0.06%).
The chart and table below shows the top 10 counties with high percentage of its population having Celtic 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 Celtic Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Greene County | 0.19 |
| 2 | Roane County | 0.12 |
| 3 | Marion County | 0.06 |
| 4 | Decatur County | 0.05 |
| 4 | McNairy County | 0.05 |
| 4 | Montgomery County | 0.05 |
| 5 | Lincoln County | 0.04 |
| 6 | Fayette County | 0.03 |
| 6 | Hickman County | 0.03 |
| 6 | Jefferson County | 0.03 |
| 6 | Knox County | 0.03 |
| 6 | Putnam County | 0.03 |
| 6 | Rutherford County | 0.03 |
| 7 | Hardin County | 0.02 |
| 7 | Henderson County | 0.02 |
| 7 | Sevier County | 0.02 |
| 8 | Anderson County | 0.01 |
| 8 | Carter County | 0.01 |
| 8 | Davidson County | 0.01 |
| 8 | Hamilton County | 0.01 |
| 8 | Sullivan County | 0.01 |
| 8 | Sumner County | 0.01 |
| 8 | Washington County | 0.01 |
| 8 | Williamson County | 0.01 |
| 9 | Henry County | 0.003 |
| 9 | Shelby County | 0.003 |