RANKING · 2020 CENSUS · 51 SHOWN OF 51

Highest Belgian population share, California counties · 2020

California counties ranked by the share of all residents who are Belgian ancestry (2023 American Community Survey). A concentration measure: Belgian residents as a percentage of total population. This list covers the 51 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

RANKPLACESTATEPOPBELGIAN SHAREVS 2000

01Mariposa County, CACA16,9180.4%–

02Modoc County, CACA8,4260.3%–

03Marin County, CACA253,6940.2%–

04San Luis Obispo County, CACA282,3670.2%–

05Amador County, CACA41,8760.2%–

06San Mateo County, CACA743,5680.1%–

07Madera County, CACA167,9270.1%–

08Sonoma County, CACA486,4440.1%–

09Placer County, CACA442,0810.1%–

10San Francisco County, CACA826,0790.1%–

11Santa Cruz County, CACA258,8520.1%–

12El Dorado County, CACA192,3230.1%–

13Contra Costa County, CACA1,170,0700.1%–

14Mendocino County, CACA88,1220.1%–

15Santa Barbara County, CACA442,0650.1%–

16Humboldt County, CACA131,6470.1%–

17Ventura County, CACA830,8510.1%–

18Solano County, CACA455,3760.1%–

19San Diego County, CACA3,282,2480.1%–

20Lake County, CACA67,7720.1%–

21Orange County, CACA3,149,5070.1%–

22Yolo County, CACA224,4100.1%–

23Calaveras County, CACA46,6050.1%–

24Santa Clara County, CACA1,914,3910.1%–

25Tuolumne County, CACA53,1600.1%–

26Butte County, CACA209,2110.1%–

27Sutter County, CACA98,7870.1%–

28Napa County, CACA132,9490.1%–

29Inyo County, CACA18,1580.1%–

30San Joaquin County, CACA823,8150.1%–

31Shasta County, CACA181,6480.1%–

32Yuba County, CACA88,6910.1%–

33Alameda County, CACA1,636,6300.0%–

34Sacramento County, CACA1,618,4600.0%–

35Riverside County, CACA2,544,9160.0%–

36Los Angeles County, CACA9,694,9340.0%–

37Kern County, CACA927,0680.0%–

38Glenn County, CACA28,1410.0%–

39Stanislaus County, CACA557,7190.0%–

40Nevada County, CACA101,9110.0%–

41Lassen County, CACA28,1170.0%–

42San Bernardino County, CACA2,224,0910.0%–

43Siskiyou County, CACA42,0130.0%–

44San Benito County, CACA70,0820.0%–

45Fresno County, CACA1,035,4560.0%–

46Tehama County, CACA64,6650.0%–

47Monterey County, CACA433,7290.0%–

48Merced County, CACA297,2600.0%–

49Tulare County, CACA485,1460.0%–

50Imperial County, CACA181,4110.0%–

51Mono County, CACA12,5050.0%–

SHOWING 1–51 OF 51

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