RANKING · 2024 ACS · 49 SHOWN OF 49

Highest Australian population share, California counties

California counties ranked by the share of all residents who are Australian ancestry (2023 American Community Survey). A concentration measure: Australian residents as a percentage of total population. 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

Highest Australian population share by state

RANKPLACESTATEPOPAUSTRALIAN SHAREVS 2000

01Mariposa County, CACA16,9180.5%–

02Inyo County, CACA18,1580.3%–

03Marin County, CACA253,6940.2%–

04San Francisco County, CACA826,0790.2%–

05Tehama County, CACA64,6650.2%–

06Nevada County, CACA101,9110.2%–

07San Luis Obispo County, CACA282,3670.1%–

08El Dorado County, CACA192,3230.1%–

09Yolo County, CACA224,4100.1%–

10Santa Cruz County, CACA258,8520.1%–

11Santa Clara County, CACA1,914,3910.1%–

12Santa Barbara County, CACA442,0650.1%–

13Ventura County, CACA830,8510.1%–

14Merced County, CACA297,2600.1%–

15Napa County, CACA132,9490.1%–

16Tuolumne County, CACA53,1600.1%–

17Calaveras County, CACA46,6050.1%–

18San Mateo County, CACA743,5680.1%–

19Amador County, CACA41,8760.1%–

20Sonoma County, CACA486,4440.1%–

21Contra Costa County, CACA1,170,0700.1%–

22San Diego County, CACA3,282,2480.1%–

23Los Angeles County, CACA9,694,9340.0%–

24Modoc County, CACA8,4260.0%–

25Alameda County, CACA1,636,6300.0%–

26San Joaquin County, CACA823,8150.0%–

27Lassen County, CACA28,1170.0%–

28Orange County, CACA3,149,5070.0%–

29Placer County, CACA442,0810.0%–

30Shasta County, CACA181,6480.0%–

31Mendocino County, CACA88,1220.0%–

32Butte County, CACA209,2110.0%–

33Riverside County, CACA2,544,9160.0%–

34Sacramento County, CACA1,618,4600.0%–

35San Bernardino County, CACA2,224,0910.0%–

36Monterey County, CACA433,7290.0%–

37Sutter County, CACA98,7870.0%–

38Stanislaus County, CACA557,7190.0%–

39Kern County, CACA927,0680.0%–

40Humboldt County, CACA131,6470.0%–

41Glenn County, CACA28,1410.0%–

42Fresno County, CACA1,035,4560.0%–

43Siskiyou County, CACA42,0130.0%–

44San Benito County, CACA70,0820.0%–

45Tulare County, CACA485,1460.0%–

46Solano County, CACA455,3760.0%–

47Kings County, CACA154,3270.0%–

48Madera County, CACA167,9270.0%–

49Lake County, CACA67,7720.0%–

SHOWING 1–49 OF 49

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES