RANKING · 2020 CENSUS · 40 SHOWN OF 40

Largest Nigerian population, California counties · 2020

California counties ranked by the number of residents who are Nigerian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 40 counties in California that qualify, ranked against each other statewide. The median across all 40 is 191.

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 POPULATIONVS 2010

01Los Angeles County, CACA9,694,93414,933+83%

02Alameda County, CACA1,636,6303,986+65%

03Riverside County, CACA2,544,9163,914+177%

04San Bernardino County, CACA2,224,0912,902+19%

05Contra Costa County, CACA1,170,0702,672+47%

06San Diego County, CACA3,282,2482,025+114%

07Sacramento County, CACA1,618,4601,634+67%

08Orange County, CACA3,149,5071,304+102%

09Santa Clara County, CACA1,914,3911,134+184%

10San Joaquin County, CACA823,815914+256%

11San Francisco County, CACA826,079771+265%

12Marin County, CACA253,694734+1939%

13San Mateo County, CACA743,568560+85%

14Kern County, CACA927,068544+20%

15Solano County, CACA455,376411+463%

16San Luis Obispo County, CACA282,367408+1136%

17Fresno County, CACA1,035,4563930%

18Stanislaus County, CACA557,719365+310%

19Ventura County, CACA830,851256+98%

20Kings County, CACA154,327191+3720%

21San Benito County, CACA70,082183–

22Tulare County, CACA485,146178+91%

23Imperial County, CACA181,411140+724%

24Santa Barbara County, CACA442,065128+142%

25Sonoma County, CACA486,444118–

26Monterey County, CACA433,72980+33%

27Yolo County, CACA224,41078+225%

28Butte County, CACA209,21162–

29Del Norte County, CACA26,41058–

30Lassen County, CACA28,11753–

31Santa Cruz County, CACA258,85251+200%

32Merced County, CACA297,26039+50%

33Napa County, CACA132,94922−69%

34El Dorado County, CACA192,32318+6%

35Tuolumne County, CACA53,16013–

36Humboldt County, CACA131,64712−84%

37Shasta County, CACA181,64810−82%

38Placer County, CACA442,0818−27%

39Siskiyou County, CACA42,0137–

40Amador County, CACA41,8765–

SHOWING 1–40 OF 40

Download CSV (full list, 40 rows)

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