Largest Australian population, California counties

California counties ranked by the number of residents who are Australian 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 49 counties in California that qualify, ranked against each other statewide. The median across all 49 is 130. Biggest climber in the top 100 since 2020: Merced County, CA, up 13 places to #20.