RANKING · 2024 ACS · 58 SHOWN OF 58

Highest British population share, California counties

California counties ranked by the share of all residents who are British ancestry (2023 American Community Survey). A concentration measure: British residents as a percentage of total population. This list covers the 58 counties in California that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPBRITISH SHAREVS 2000

01Marin County, CACA253,6941.1%–

02Nevada County, CACA101,9111.0%–

03El Dorado County, CACA192,3230.8%–

04Sonoma County, CACA486,4440.8%–

05Placer County, CACA442,0810.8%–

06Santa Cruz County, CACA258,8520.7%–

07Mariposa County, CACA16,9180.7%–

08Calaveras County, CACA46,6050.7%–

09Humboldt County, CACA131,6470.7%–

10San Luis Obispo County, CACA282,3670.6%–

11Santa Barbara County, CACA442,0650.6%–

12Yolo County, CACA224,4100.6%–

13Alpine County, CACA1,0430.6%–

14San Francisco County, CACA826,0790.6%–

15Yuba County, CACA88,6910.6%–

16San Mateo County, CACA743,5680.6%–

17Mono County, CACA12,5050.6%–

18Amador County, CACA41,8760.6%–

19Butte County, CACA209,2110.5%–

20Siskiyou County, CACA42,0130.5%–

21Contra Costa County, CACA1,170,0700.5%–

22Napa County, CACA132,9490.5%–

23Mendocino County, CACA88,1220.5%–

24San Diego County, CACA3,282,2480.5%–

25Tuolumne County, CACA53,1600.5%–

26Alameda County, CACA1,636,6300.4%–

27Shasta County, CACA181,6480.4%–

28Lassen County, CACA28,1170.4%–

29Solano County, CACA455,3760.4%–

30Sacramento County, CACA1,618,4600.4%–

31Ventura County, CACA830,8510.4%–

32Santa Clara County, CACA1,914,3910.4%–

33Inyo County, CACA18,1580.4%–

34Modoc County, CACA8,4260.4%–

35Orange County, CACA3,149,5070.3%–

36Sutter County, CACA98,7870.3%–

37Del Norte County, CACA26,4100.3%–

38Los Angeles County, CACA9,694,9340.3%–

39Lake County, CACA67,7720.3%–

40Riverside County, CACA2,544,9160.3%–

41San Benito County, CACA70,0820.3%–

42Madera County, CACA167,9270.3%–

43Stanislaus County, CACA557,7190.3%–

44Fresno County, CACA1,035,4560.2%–

45Monterey County, CACA433,7290.2%–

46Tulare County, CACA485,1460.2%–

47Sierra County, CACA3,0980.2%–

48San Joaquin County, CACA823,8150.2%–

49Kern County, CACA927,0680.2%–

50Glenn County, CACA28,1410.2%–

51San Bernardino County, CACA2,224,0910.2%–

52Plumas County, CACA18,5830.2%–

53Tehama County, CACA64,6650.2%–

54Trinity County, CACA15,7200.2%–

55Merced County, CACA297,2600.1%–

56Imperial County, CACA181,4110.1%–

57Colusa County, CACA21,8360.1%–

58Kings County, CACA154,3270.1%–

SHOWING 1–58 OF 58

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