RANKING · 2020 CENSUS · 40 SHOWN OF 40

Highest Nigerian population share, California counties · 2020

California counties ranked by the share of all residents who are Nigerian ancestry (2020 American Community Survey). A concentration measure: Nigerian residents as a percentage of total population. This list covers the 40 counties in California that qualify, ranked against each other statewide. The median across all 40 is 0.1%.

Nigerian 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

RANKPLACESTATEPOPNIGERIAN SHAREVS 2010

01San Benito County, CACA70,0820.3%–

02Marin County, CACA253,6940.3%+0.3 pts

03Alameda County, CACA1,636,6300.2%+0.1 pts

04Contra Costa County, CACA1,170,0700.2%+0.1 pts

05Del Norte County, CACA26,4100.2%–

06Lassen County, CACA28,1170.2%–

07Riverside County, CACA2,544,9160.2%+0.1 pts

08Los Angeles County, CACA9,694,9340.1%+0.1 pts

09San Luis Obispo County, CACA282,3670.1%+0.1 pts

10San Bernardino County, CACA2,224,0910.1%0.0 pts

11Kings County, CACA154,3270.1%+0.1 pts

12San Joaquin County, CACA823,8150.1%+0.1 pts

13Sacramento County, CACA1,618,4600.1%0.0 pts

14Solano County, CACA455,3760.1%+0.1 pts

15San Francisco County, CACA826,0790.1%+0.1 pts

16Imperial County, CACA181,4110.1%+0.1 pts

17San Mateo County, CACA743,5680.1%0.0 pts

18Stanislaus County, CACA557,7190.1%0.0 pts

19Kern County, CACA927,0680.1%0.0 pts

20San Diego County, CACA3,282,2480.1%0.0 pts

21Santa Clara County, CACA1,914,3910.1%0.0 pts

22Orange County, CACA3,149,5070.0%0.0 pts

23Fresno County, CACA1,035,4560.0%0.0 pts

24Tulare County, CACA485,1460.0%0.0 pts

25Yolo County, CACA224,4100.0%0.0 pts

26Ventura County, CACA830,8510.0%0.0 pts

27Santa Barbara County, CACA442,0650.0%0.0 pts

28Butte County, CACA209,2110.0%–

29Tuolumne County, CACA53,1600.0%–

30Sonoma County, CACA486,4440.0%–

31Santa Cruz County, CACA258,8520.0%0.0 pts

32Monterey County, CACA433,7290.0%0.0 pts

33Siskiyou County, CACA42,0130.0%–

34Napa County, CACA132,9490.0%0.0 pts

35Merced County, CACA297,2600.0%0.0 pts

36Amador County, CACA41,8760.0%–

37El Dorado County, CACA192,3230.0%0.0 pts

38Humboldt County, CACA131,6470.0%0.0 pts

39Shasta County, CACA181,6480.0%0.0 pts

40Placer County, CACA442,0810.0%0.0 pts

SHOWING 1–40 OF 40

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS