RANKING · 2010 CENSUS · 46 SHOWN OF 46

Largest Australian population, California counties · 2010

California counties ranked by the number of residents who are Australian ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 46 counties in California that qualify, ranked against each other statewide. The median across all 46 is 177.

Australian Americans: full group profile →

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Largest Australian population by state

RANKPLACESTATEPOPAUSTRALIAN POPULATIONVS –

01Los Angeles County, CACA9,694,9344,526–

02San Diego County, CACA3,282,2482,070–

03Orange County, CACA3,149,5071,702–

04San Francisco County, CACA826,079954–

05Riverside County, CACA2,544,916873–

06San Bernardino County, CACA2,224,091857–

07Sacramento County, CACA1,618,460767–

08Contra Costa County, CACA1,170,070743–

09Alameda County, CACA1,636,630566–

10Santa Clara County, CACA1,914,391547–

11San Mateo County, CACA743,568479–

12Yolo County, CACA224,410450–

13Sonoma County, CACA486,444439–

14Santa Barbara County, CACA442,065438–

15Marin County, CACA253,694424–

16Ventura County, CACA830,851384–

17Placer County, CACA442,081328–

18Kern County, CACA927,068228–

19San Luis Obispo County, CACA282,367222–

20Shasta County, CACA181,648203–

21San Joaquin County, CACA823,815197–

22Santa Cruz County, CACA258,852193–

23Lake County, CACA67,772177–

24Stanislaus County, CACA557,719166–

25Monterey County, CACA433,729159–

26Solano County, CACA455,376137–

27Calaveras County, CACA46,605134–

28Butte County, CACA209,211121–

29Mendocino County, CACA88,122117–

30Yuba County, CACA88,69186–

31San Benito County, CACA70,08284–

32Nevada County, CACA101,91183–

33Napa County, CACA132,94980–

34Humboldt County, CACA131,64774–

35Tulare County, CACA485,14673–

36Tehama County, CACA64,66571–

37El Dorado County, CACA192,32358–

38Madera County, CACA167,92752–

39Kings County, CACA154,32750–

40Amador County, CACA41,87643–

41Fresno County, CACA1,035,45639–

42Merced County, CACA297,26033–

43Glenn County, CACA28,14117–

44Siskiyou County, CACA42,01315–

45Tuolumne County, CACA53,1607–

46Alpine County, CACA1,0435–

SHOWING 1–46 OF 46

Download CSV (full list, 46 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS