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. The median across all 58 is 988. Biggest climber in the top 100 since 2020: Lassen County, CA, up 7 places to #45.

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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, CACA3,282,24815,5970%

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

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

05▲1Riverside County, CACA2,544,9167,310+14%

06▼1Alameda 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%

10▲1San Mateo County, CACA743,5684,367+10%

11▼1San Bernardino County, CACA2,224,0914,266−7%

12▲1Sonoma County, CACA486,4444,003+26%

13▼1Ventura County, CACA830,8513,372−30%

14▲2Placer County, CACA442,0813,156+57%

15Marin County, CACA253,6942,914−7%

16▼2Santa Barbara County, CACA442,0652,818+7%

17▲1Fresno County, CACA1,035,4562,520+67%

18▼1Santa Cruz County, CACA258,8521,932−12%

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

20▲1Solano County, CACA455,3761,853+30%

21▼1San Luis Obispo County, CACA282,3671,791−20%

22▲3San Joaquin County, CACA823,8151,697+1%

23▼1El Dorado County, CACA192,3231,636+17%

24▼1Stanislaus County, CACA557,7191,447+54%

25▲4Yolo County, CACA224,4101,371+58%

26▲2Tulare County, CACA485,1461,074+174%

27▼1Butte County, CACA209,2111,070+5%

28▼4Monterey County, CACA433,7291,029−21%

29▲3Nevada County, CACA101,911988+49%

30Humboldt County, CACA131,647894+28%

31▼4Shasta County, CACA181,648765−8%

32▼1Napa County, CACA132,949657−8%

33Yuba County, CACA88,691501+200%

34▲4Mendocino County, CACA88,122438+9%

35Madera County, CACA167,927430+30%

36Merced County, CACA297,260424+20%

37▼3Sutter County, CACA98,787336+82%

38▲3Calaveras County, CACA46,605313+45%

39▼2Tuolumne County, CACA53,160257+61%

40Amador County, CACA41,876238+8%

41▲3Siskiyou County, CACA42,013214+34%

42▲4Lake County, CACA67,772210−14%

43▲4Imperial County, CACA181,411189−15%

44▲1San Benito County, CACA70,082189−10%

45▲7Lassen County, CACA28,117125+42%

46▲2Mariposa County, CACA16,918116−22%

47▼8Tehama County, CACA64,665113−41%

48▼5Kings County, CACA154,32798−69%

49▲5Del Norte County, CACA26,41091−17%

50▲7Mono County, CACA12,50576+153%

51▼9Inyo County, CACA18,15872−35%

52▼3Glenn County, CACA28,14157−55%

53▼2Plumas County, CACA18,58337−75%

54▼1Modoc County, CACA8,42631−51%

55▲1Trinity County, CACA15,72024−33%

56▼6Colusa County, CACA21,83615+275%

57▼2Alpine County, CACA1,04310–

58Sierra County, CACA3,0986−57%

SHOWING 1–58 OF 58

Download CSV (full list, 58 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES