Ranking of Tennessee Counties By 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. Among all Tennessee counties, Greene County had the highest population with Celtic ancestry (134), followed by Knox County (118), and Rutherford County (115).

The chart and table below shows the top 10 counties with high number of people with Celtic 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 Celtic Ancestry in 2021
Greene County
Knox County
Rutherford County
Montgomery County
Roane County
Davidson County
Hamilton County
Sumner County
Shelby County
Putnam County
Ranking of Tennessee Counties By Population with Celtic Ancestry in 2021
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Rank County Population
1 Greene County 134
2 Knox County 118
3 Rutherford County 115
4 Montgomery County 98
5 Roane County 66
6 Davidson County 65
7 Hamilton County 52
8 Sumner County 27
9 Shelby County 25
10 Putnam County 22
11 Sevier County 20
12 Marion County 18
12 Sullivan County 18
13 Jefferson County 17
14 Washington County 16
15 Lincoln County 14
16 Fayette County 12
16 McNairy County 12
17 Williamson County 11
18 Hickman County 8
19 Carter County 7
20 Decatur County 6
20 Henderson County 6
21 Anderson County 4
21 Hardin County 4
22 Henry County 1