RANKING · 2024 ACS · 500 SHOWN OF 545
Highest Welsh population share, California cities
California cities ranked by the share of all residents who are Welsh ancestry (2024 American Community Survey). A concentration measure: Welsh residents as a percentage of total population. This list covers the 545 cities in California that qualify, ranked against each other statewide. The median across all 545 is 0.3%. Biggest climber in the top 100 since 2020: Marysville, CA, up 488 places to #59.
Welsh Americans: full group profile →Highest Welsh population share by state
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RANKPLACESTATEPOPWELSH SHAREVS 2010
UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES