Ranking of Oklahoma 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 759 people in Oklahoma with Celtic ancestry (0.02% of Oklahoma population). Among all Oklahoma counties, Tillman County had the highest percentage of its population with Celtic ancestry (0.35%), followed by Texas County (0.28%), and Seminole County (0.27%).

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 Oklahoma.

Data Source: US Census Bureau.
Ranking of Oklahoma Counties By Percentage of Population with Celtic Ancestry in 2021
Tillman County
Texas County
Seminole County
Okmulgee County
Blaine County
Pottawatomie County
Garfield County
Kingfisher County
Washita County
Craig County
Ranking of Oklahoma Counties By Percentage of Population with Celtic Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Tillman County 0.35
2 Texas County 0.28
3 Seminole County 0.27
4 Okmulgee County 0.18
5 Blaine County 0.17
6 Pottawatomie County 0.10
7 Garfield County 0.07
8 Kingfisher County 0.05
8 Washita County 0.05
9 Craig County 0.04
10 Canadian County 0.03
10 Cleveland County 0.03
11 Comanche County 0.02
11 Grady County 0.02
11 McClain County 0.02
11 Muskogee County 0.02
11 Osage County 0.02
12 Bryan County 0.01
12 Carter County 0.01
12 Oklahoma County 0.01
12 Rogers County 0.01
12 Tulsa County 0.01
13 Wagoner County 0.004
14 Mayes County 0.003