Ranking of Iowa 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 365 people in Iowa with Celtic ancestry (0.01% of Iowa population). Among all Iowa counties, Page County had the highest percentage of its population with Celtic ancestry (0.98%), followed by Shelby County (0.20%), and Henry County (0.11%).

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 Iowa.

Data Source: US Census Bureau.
Ranking of Iowa Counties By Percentage of Population with Celtic Ancestry in 2021
Page County
Shelby County
Henry County
Tama County
Cass County
Butler County
Poweshiek County
Dubuque County
Greene County
Appanoose County
Ranking of Iowa Counties By Percentage of Population with Celtic Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Page County 0.98
2 Shelby County 0.20
3 Henry County 0.11
4 Tama County 0.07
5 Cass County 0.06
6 Butler County 0.05
7 Poweshiek County 0.04
8 Dubuque County 0.03
8 Greene County 0.03
9 Appanoose County 0.02
9 Benton County 0.02
10 Clayton County 0.01
10 Floyd County 0.01
10 Johnson County 0.01
10 Linn County 0.01
10 Plymouth County 0.01
10 Polk County 0.01
10 Scott County 0.01
11 Pottawattamie County 0.004
12 Black Hawk County 0.003
13 Woodbury County 0.001