Largest Australian population, US counties · 2010
US counties ranked by the number of residents who are Australian ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Los Angeles County, California leads at 4,526. 1,173 counties qualify in total. California carries 10 of the top 25 entries.
UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which county has the highest australian population?
Los Angeles County, California ranks #1 with 4,526 (2010 American Community Survey).
What are the top 5 counties by australian population?
Los Angeles County, California, New York County, New York, San Diego County, California, Orange County, California, King County, Washington.
How many counties are in this ranking?
1,173 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 ACS 5-year data.
How is australian population measured?
Number of residents who are Australian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2010).