RANKING · 2024 ACS · 49 SHOWN OF 49

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.

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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 2010

01Los Angeles County, CACA9,694,9344,710+4%

02San Diego County, CACA3,282,2481,711−17%

03Santa Clara County, CACA1,914,3911,460+167%

04San Francisco County, CACA826,0791,397+46%

05Orange County, CACA3,149,5071,156−32%

06Riverside County, CACA2,544,916763−13%

07Alameda County, CACA1,636,630740+31%

08Contra Costa County, CACA1,170,070610−18%

09San Bernardino County, CACA2,224,091601−30%

10Ventura County, CACA830,851554+44%

11Marin County, CACA253,694493+16%

12Sacramento County, CACA1,618,460463−40%

13San Mateo County, CACA743,568398−17%

14San Luis Obispo County, CACA282,367359+62%

15San Joaquin County, CACA823,815341+73%

16Santa Barbara County, CACA442,065337−23%

17Sonoma County, CACA486,444257−41%

18El Dorado County, CACA192,323229+295%

19Santa Cruz County, CACA258,852206+7%

20Merced County, CACA297,260184+458%

21Kern County, CACA927,068183−20%

22Yolo County, CACA224,410182−60%

23Nevada County, CACA101,911158+90%

24Placer County, CACA442,081152−54%

25Stanislaus County, CACA557,719130−22%

26Monterey County, CACA433,729119−25%

27Fresno County, CACA1,035,456103+164%

28Tehama County, CACA64,665101+42%

29Napa County, CACA132,94984+5%

30Mariposa County, CACA16,91881–

31Butte County, CACA209,21169−43%

32Shasta County, CACA181,64865−68%

33Inyo County, CACA18,15852–

34Tuolumne County, CACA53,16033+371%

35Mendocino County, CACA88,12232−73%

36Tulare County, CACA485,14628−62%

37Calaveras County, CACA46,60525−81%

38Sutter County, CACA98,78725–

39Humboldt County, CACA131,64724−68%

40Amador County, CACA41,87622−49%

41Solano County, CACA455,37618−87%

42Lassen County, CACA28,11712–

43Kings County, CACA154,3276−88%

44Madera County, CACA167,9276−88%

45Glenn County, CACA28,1415−71%

46Modoc County, CACA8,4264–

47San Benito County, CACA70,0824−95%

48Siskiyou County, CACA42,0133−80%

49Lake County, CACA67,7722−99%

SHOWING 1–49 OF 49

Download CSV (full list, 49 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES