RANKING · 2020 CENSUS · 45 SHOWN OF 45

Highest Jamaican population share, California counties · 2020

California counties ranked by the share of all residents who are Jamaican ancestry (2023 American Community Survey). A concentration measure: Jamaican residents as a percentage of total population. This list covers the 45 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

RANKPLACESTATEPOPJAMAICAN SHAREVS 2000

01Trinity County, CACA15,7200.4%–

02Napa County, CACA132,9490.2%–

03Yuba County, CACA88,6910.2%–

04Solano County, CACA455,3760.2%–

05Yolo County, CACA224,4100.1%–

06Amador County, CACA41,8760.1%–

07Alameda County, CACA1,636,6300.1%–

08Los Angeles County, CACA9,694,9340.1%–

09Contra Costa County, CACA1,170,0700.1%–

10San Mateo County, CACA743,5680.1%–

11Kern County, CACA927,0680.1%–

12San Francisco County, CACA826,0790.1%–

13Riverside County, CACA2,544,9160.1%–

14San Bernardino County, CACA2,224,0910.1%–

15Colusa County, CACA21,8360.1%–

16Placer County, CACA442,0810.1%–

17San Diego County, CACA3,282,2480.1%–

18Stanislaus County, CACA557,7190.1%–

19Sacramento County, CACA1,618,4600.1%–

20Humboldt County, CACA131,6470.1%–

21Sutter County, CACA98,7870.1%–

22Kings County, CACA154,3270.1%–

23Ventura County, CACA830,8510.1%–

24Lassen County, CACA28,1170.0%–

25San Joaquin County, CACA823,8150.0%–

26Sonoma County, CACA486,4440.0%–

27Santa Clara County, CACA1,914,3910.0%–

28Monterey County, CACA433,7290.0%–

29Orange County, CACA3,149,5070.0%–

30Santa Cruz County, CACA258,8520.0%–

31Santa Barbara County, CACA442,0650.0%–

32Tehama County, CACA64,6650.0%–

33Marin County, CACA253,6940.0%–

34San Luis Obispo County, CACA282,3670.0%–

35Butte County, CACA209,2110.0%–

36Fresno County, CACA1,035,4560.0%–

37Lake County, CACA67,7720.0%–

38Inyo County, CACA18,1580.0%–

39Imperial County, CACA181,4110.0%–

40El Dorado County, CACA192,3230.0%–

41Merced County, CACA297,2600.0%–

42Tulare County, CACA485,1460.0%–

43Nevada County, CACA101,9110.0%–

44Shasta County, CACA181,6480.0%–

45Mendocino County, CACA88,1220.0%–

SHOWING 1–45 OF 45

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