RANKING · 2024 ACS · 500 SHOWN OF 657
Largest Irish population, California cities
California cities ranked by the number of residents who are Irish ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 657 cities in California that qualify, ranked against each other statewide. The median across all 657 is 1,284. Biggest climber in the top 100 since 2020: Davis, CA, up 33 places to #75.
Irish Americans: full group profile →Largest Irish population by state
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RANKPLACESTATEPOPIRISH POPULATIONVS 2010
UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES