Ranking of California Counties By Population with Australian Ancestry in 2021

Based on the US Census ACS-5Yrs estimates, in 2021, there were 20.23K people in California with Australian ancestry. Among all California counties, Los Angeles County had the highest population with Australian ancestry (5.67K), followed by Orange County (1.60K), and San Diego County (1.33K).

The chart and table below shows the top 10 counties with high number of people with Australian ancestry.

You can see similar information for other states and for other ancestry groups in California.