Ranking of Pennsylvania Cities and Places By Percentage of Population with Celtic Ancestry in 2021

Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.59K people in Pennsylvania with Celtic ancestry (0.01% of Pennsylvania population). Among all Pennsylvania cities and places with a population of at least 10K, Johnstown city had the highest percentage of its population with Celtic ancestry (0.19%), followed by Pottsville city (0.12%), and Coatesville city (0.10%).

The chart and table below shows the top 6 cities with high percentage of its population having Celtic ancestry.

You can see similar information for other states and for other ancestry groups in Pennsylvania.