RANKING · 2020 CENSUS · 51 SHOWN OF 51
Highest Welsh population share, US states · 2020
US states 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. Utah leads at 1.9%. 51 states qualify in total. The top 25 average 0.9%, against an all-states median of 0.5%.
Welsh Americans: full group profile →All statesAll rankings
RANKPLACESTATEPOPWELSH SHAREVS 2010
USUnited States331,449,2810.6%–
SHOWING 1–51 OF 51
UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which state has the highest welsh share?
Utah ranks #1 with 1.9% (2020 Decennial Census).
What are the top 5 states by welsh share?
Utah, Idaho, Pennsylvania, Wyoming, Vermont.
How many states are in this ranking?
51 states qualify after filtering for population minimums and data availability. 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.