RANKING · 2024 ACS · 500 SHOWN OF 657
Highest Irish population share, California cities
California cities ranked by the share of all residents who are Irish ancestry (2024 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 657 cities in California that qualify, ranked against each other statewide. The median across all 657 is 6.2%. Biggest climber in the top 100 since 2020: Las Flores CDP (Orange County), CA, up 268 places to #42.
Irish Americans: full group profile →Highest Irish population share by state
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RANKPLACESTATEPOPIRISH SHAREVS 2010
UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES