Largest Australian population, US counties · 2020
US counties ranked by the number of residents who are Australian ancestry, from the 2020 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 6,025. 1,130 counties qualify in total. California carries 10 of the top 25 entries. The median across all 1,130 is 23.
Australian Americans: full group profile →UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which county has the highest australian population?
Los Angeles County, California ranks #1 with 6,025 (2020 Decennial Census).
What are the top 5 counties by australian population?
Los Angeles County, California, New York County, New York, King County, Washington, Harris County, Texas, Cook County, Illinois.
How many counties are in this ranking?
1,130 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.
How is australian population measured?
Number of residents who are Australian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.