Highest Welsh population share, US cities · 2020
US cities ranked by the share of all residents who are Welsh ancestry (2020 American Community Survey). A concentration measure: Welsh residents as a percentage of total population. Eucalyptus Hills, California leads at 9.6%. 5,942 cities qualify in total. Cities with fewer than 5,000 residents are excluded. Pennsylvania carries 7 of the top 25 entries.
Welsh Americans: full group profile →UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which city has the highest welsh share?
Eucalyptus Hills, California ranks #1 with 9.6% (2020 Decennial Census).
What are the top 5 cities by welsh share?
Eucalyptus Hills, California, Moosic, Pennsylvania, Swoyersville, Pennsylvania, Taylor, Pennsylvania, Jackson, Ohio.
How many cities are in this ranking?
5,942 cities qualify after filtering for population minimums and data availability (minimum 5,000 residents). The ranking covers 2020 Decennial Census data.
How is welsh share measured?
Share of all residents who are Welsh ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.