RANKING · 2024 ACS · 58 SHOWN OF 58

Largest British population, California counties

California counties ranked by the number of residents who are British 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 58 counties in California that qualify, ranked against each other statewide.

British Americans: full group profile →

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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 POPULATIONVS 2010

01Los Angeles County, CACA9,694,93430,459+3%

02San Diego County, CACA3,282,24815,597+0%

03Orange County, CACA3,149,50710,910−33%

04Santa Clara County, CACA1,914,3917,531−20%

05Riverside County, CACA2,544,9167,310+14%

06Alameda County, CACA1,636,6307,113−10%

07Sacramento County, CACA1,618,4606,499+24%

08Contra Costa County, CACA1,170,0705,679−4%

09San Francisco County, CACA826,0794,974−18%

10San Mateo County, CACA743,5684,367+10%

11San Bernardino County, CACA2,224,0914,266−7%

12Sonoma County, CACA486,4444,003+26%

13Ventura County, CACA830,8513,372−30%

14Placer County, CACA442,0813,156+57%

15Marin County, CACA253,6942,914−7%

16Santa Barbara County, CACA442,0652,818+7%

17Fresno County, CACA1,035,4562,520+67%

18Santa Cruz County, CACA258,8521,932−12%

19Kern County, CACA927,0681,916+6%

20Solano County, CACA455,3761,853+30%

21San Luis Obispo County, CACA282,3671,791−20%

22San Joaquin County, CACA823,8151,697+1%

23El Dorado County, CACA192,3231,636+17%

24Stanislaus County, CACA557,7191,447+54%

25Yolo County, CACA224,4101,371+58%

26Tulare County, CACA485,1461,074+174%

27Butte County, CACA209,2111,070+5%

28Monterey County, CACA433,7291,029−21%

29Nevada County, CACA101,911988+49%

30Humboldt County, CACA131,647894+28%

31Shasta County, CACA181,648765−8%

32Napa County, CACA132,949657−8%

33Yuba County, CACA88,691501+200%

34Mendocino County, CACA88,122438+9%

35Madera County, CACA167,927430+30%

36Merced County, CACA297,260424+20%

37Sutter County, CACA98,787336+82%

38Calaveras County, CACA46,605313+45%

39Tuolumne County, CACA53,160257+61%

40Amador County, CACA41,876238+8%

41Siskiyou County, CACA42,013214+34%

42Lake County, CACA67,772210−14%

43Imperial County, CACA181,411189−15%

44San Benito County, CACA70,082189−10%

45Lassen County, CACA28,117125+42%

46Mariposa County, CACA16,918116−22%

47Tehama County, CACA64,665113−41%

48Kings County, CACA154,32798−69%

49Del Norte County, CACA26,41091−17%

50Mono County, CACA12,50576+153%

51Inyo County, CACA18,15872−35%

52Glenn County, CACA28,14157−55%

53Plumas County, CACA18,58337−75%

54Modoc County, CACA8,42631−51%

55Trinity County, CACA15,72024−33%

56Colusa County, CACA21,83615+275%

57Alpine County, CACA1,04310–

58Sierra County, CACA3,0986−57%

SHOWING 1–58 OF 58

Download CSV (full list, 58 rows)

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