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 (2020 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. The median across all 45 is 0.1%.

Jamaican 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

RANKPLACESTATEPOPJAMAICAN SHAREVS 2010

01Trinity County, CACA15,7200.4%+0.4 pts

02Napa County, CACA132,9490.2%+0.2 pts

03Yuba County, CACA88,6910.2%+0.1 pts

04Solano County, CACA455,3760.2%0.0 pts

05Yolo County, CACA224,4100.1%+0.1 pts

06Amador County, CACA41,8760.1%–

07Alameda County, CACA1,636,6300.1%+0.1 pts

08Los Angeles County, CACA9,694,9340.1%0.0 pts

09Contra Costa County, CACA1,170,0700.1%0.0 pts

10San Mateo County, CACA743,5680.1%+0.1 pts

11Kern County, CACA927,0680.1%+0.1 pts

12San Francisco County, CACA826,0790.1%0.0 pts

13Riverside County, CACA2,544,9160.1%0.0 pts

14San Bernardino County, CACA2,224,0910.1%0.0 pts

15Colusa County, CACA21,8360.1%–

16Placer County, CACA442,0810.1%+0.1 pts

17San Diego County, CACA3,282,2480.1%0.0 pts

18Stanislaus County, CACA557,7190.1%+0.1 pts

19Sacramento County, CACA1,618,4600.1%0.0 pts

20Humboldt County, CACA131,6470.1%+0.1 pts

21Sutter County, CACA98,7870.1%0.0 pts

22Kings County, CACA154,3270.1%0.0 pts

23Ventura County, CACA830,8510.1%0.0 pts

24Lassen County, CACA28,1170.0%0.0 pts

25San Joaquin County, CACA823,8150.0%0.0 pts

26Sonoma County, CACA486,4440.0%0.0 pts

27Santa Clara County, CACA1,914,3910.0%0.0 pts

28Monterey County, CACA433,7290.0%0.0 pts

29Orange County, CACA3,149,5070.0%0.0 pts

30Santa Cruz County, CACA258,8520.0%–

31Santa Barbara County, CACA442,0650.0%0.0 pts

32Tehama County, CACA64,6650.0%–

33Marin County, CACA253,6940.0%−0.1 pts

34San Luis Obispo County, CACA282,3670.0%0.0 pts

35Butte County, CACA209,2110.0%–

36Fresno County, CACA1,035,4560.0%0.0 pts

37Lake County, CACA67,7720.0%–

38Inyo County, CACA18,1580.0%–

39Imperial County, CACA181,4110.0%0.0 pts

40El Dorado County, CACA192,3230.0%–

41Merced County, CACA297,2600.0%0.0 pts

42Tulare County, CACA485,1460.0%0.0 pts

43Nevada County, CACA101,9110.0%–

44Shasta County, CACA181,6480.0%0.0 pts

45Mendocino County, CACA88,1220.0%−0.2 pts

SHOWING 1–45 OF 45

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