RANKING · 2010 CENSUS · 58 SHOWN OF 58

Highest Black population share, California counties · 2010

California counties ranked by the share of all residents who are Black or African American (2010 American Community Survey). A concentration measure: Black residents as a percentage of total population. This list covers the 58 counties in California that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDHighest Asian household income Highest Black household income Highest Hispanic household income Highest White (non-Hispanic) household income Largest White (non-Hispanic) population Highest White (non-Hispanic) population share

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBLACKVS 2000

01Solano County, CACA455,37614.2%−3%

02Alameda County, CACA1,636,63012.2%−17%

03Sacramento County, CACA1,618,4609.9%+2%

04Contra Costa County, CACA1,170,0708.9%−3%

05San Bernardino County, CACA2,224,0918.4%−5%

06Los Angeles County, CACA9,694,9348.3%−12%

07Lassen County, CACA28,1178.0%−9%

08San Joaquin County, CACA823,8157.1%+10%

09Kings County, CACA154,3276.7%−16%

10Riverside County, CACA2,544,9166.0%−0%

11San Francisco County, CACA826,0795.8%−23%

12Kern County, CACA927,0685.4%−6%

13Fresno County, CACA1,035,4564.8%−4%

14San Diego County, CACA3,282,2484.7%−14%

15Merced County, CACA297,2603.4%−5%

16Del Norte County, CACA26,4103.4%−20%

17Madera County, CACA167,9273.3%−13%

18Yuba County, CACA88,6912.9%−1%

19Imperial County, CACA181,4112.9%−19%

20Monterey County, CACA433,7292.7%−22%

21Marin County, CACA253,6942.6%−7%

22San Mateo County, CACA743,5682.6%−22%

23Stanislaus County, CACA557,7192.5%+7%

24Amador County, CACA41,8762.5%−36%

25Santa Clara County, CACA1,914,3912.4%−10%

26Yolo County, CACA224,4102.4%+27%

27Tuolumne County, CACA53,1602.0%−3%

28San Luis Obispo County, CACA282,3671.9%−1%

29Lake County, CACA67,7721.8%−12%

30Sutter County, CACA98,7871.8%+1%

31Napa County, CACA132,9491.8%+46%

32Santa Barbara County, CACA442,0651.7%−19%

33Ventura County, CACA830,8511.6%−11%

34Orange County, CACA3,149,5071.5%−2%

35Butte County, CACA209,2111.4%+7%

36Sonoma County, CACA486,4441.4%+5%

37Placer County, CACA442,0811.3%+66%

38Tulare County, CACA485,1461.2%−11%

39Siskiyou County, CACA42,0131.2%−2%

40Humboldt County, CACA131,6471.0%+26%

41Plumas County, CACA18,5830.9%+45%

42Santa Cruz County, CACA258,8520.9%+4%

43Shasta County, CACA181,6480.8%+12%

44Modoc County, CACA8,4260.8%+27%

45Colusa County, CACA21,8360.8%+68%

46Calaveras County, CACA46,6050.8%+5%

47El Dorado County, CACA192,3230.7%+50%

48Mariposa County, CACA16,9180.7%+9%

49Glenn County, CACA28,1410.7%+54%

50San Benito County, CACA70,0820.6%−28%

51Mendocino County, CACA88,1220.6%+13%

52Inyo County, CACA18,1580.5%+393%

53Tehama County, CACA64,6650.5%+10%

54Nevada County, CACA101,9110.3%+36%

55Trinity County, CACA15,7200.3%−21%

56Mono County, CACA12,5050.3%−28%

57Sierra County, CACA3,0980.2%−9%

58Alpine County, CACA1,0430.0%−100%

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS