RANKING · 2024 ACS · 54 SHOWN OF 54

Largest Puerto Rican population, California counties

California counties ranked by the number of residents who are Puerto Rican origin, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 54 counties in California that qualify, ranked against each other statewide.

Puerto Rican Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Highest Puerto Rican population share Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPPUERTO RICAN POPULATIONVS 2010

01Los Angeles County, CACA9,694,93447,517+10%

02San Diego County, CACA3,282,24826,187+63%

03Riverside County, CACA2,544,91617,705+39%

04San Bernardino County, CACA2,224,09114,978+18%

05Orange County, CACA3,149,50712,691+16%

06Sacramento County, CACA1,618,46011,570+45%

07Alameda County, CACA1,636,63011,564+4%

08Contra Costa County, CACA1,170,0708,022+39%

09Santa Clara County, CACA1,914,3918,004+12%

10San Joaquin County, CACA823,8155,820+39%

11San Francisco County, CACA826,0795,793+61%

12Kern County, CACA927,0684,629+17%

13Ventura County, CACA830,8514,555+68%

14San Mateo County, CACA743,5684,483+11%

15Fresno County, CACA1,035,4564,173+96%

16Solano County, CACA455,3763,739+17%

17Stanislaus County, CACA557,7193,124−5%

18Placer County, CACA442,0813,037+121%

19Monterey County, CACA433,7292,419+31%

20Sonoma County, CACA486,4442,213+37%

21Santa Barbara County, CACA442,0651,654+18%

22Tulare County, CACA485,1461,427+33%

23Santa Cruz County, CACA258,8521,310+340%

24Marin County, CACA253,6941,250+47%

25San Luis Obispo County, CACA282,3671,199+75%

26Kings County, CACA154,3271,011+25%

27Merced County, CACA297,260975+25%

28Yuba County, CACA88,691887+112%

29El Dorado County, CACA192,323815+75%

30Tuolumne County, CACA53,160814+415%

31Napa County, CACA132,949810+232%

32Humboldt County, CACA131,647745+583%

33Butte County, CACA209,211719−2%

34Sutter County, CACA98,787699+97%

35Yolo County, CACA224,410690−33%

36Nevada County, CACA101,911665−4%

37Shasta County, CACA181,648632+66%

38Madera County, CACA167,927611−17%

39Imperial County, CACA181,411434−12%

40Tehama County, CACA64,665398+96%

41San Benito County, CACA70,082327+164%

42Calaveras County, CACA46,605301+871%

43Mendocino County, CACA88,122280+37%

44Siskiyou County, CACA42,013210+367%

45Lake County, CACA67,772173−33%

46Amador County, CACA41,876169+31%

47Inyo County, CACA18,158156+420%

48Plumas County, CACA18,583136+404%

49Lassen County, CACA28,117133−46%

50Del Norte County, CACA26,410109+5%

51Mariposa County, CACA16,918102–

52Trinity County, CACA15,72010−67%

53Glenn County, CACA28,1417−90%

54Colusa County, CACA21,8361−98%

SHOWING 1–54 OF 54

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES