RANKING · 2024 ACS · 51 SHOWN OF 51

Highest Peruvian population share, California counties

California counties ranked by the share of all residents who are Peruvian origin (2024 American Community Survey). A concentration measure: Peruvian residents as a percentage of total population. This list covers the 51 counties in California that qualify, ranked against each other statewide.

Peruvian Americans: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPPERUVIAN SHAREVS 2010

01San Mateo County, CACA743,5680.8%+0.2 pts

02Contra Costa County, CACA1,170,0700.8%+0.3 pts

03Marin County, CACA253,6940.7%+0.4 pts

04Napa County, CACA132,9490.5%+0.4 pts

05San Francisco County, CACA826,0790.5%+0.2 pts

06Amador County, CACA41,8760.4%–

07Los Angeles County, CACA9,694,9340.4%+0.1 pts

08Alameda County, CACA1,636,6300.3%+0.1 pts

09Solano County, CACA455,3760.3%+0.1 pts

10Orange County, CACA3,149,5070.3%+0.0 pts

11Santa Clara County, CACA1,914,3910.3%+0.0 pts

12San Benito County, CACA70,0820.3%+0.1 pts

13Tuolumne County, CACA53,1600.3%–

14Ventura County, CACA830,8510.3%+0.1 pts

15San Bernardino County, CACA2,224,0910.2%+0.0 pts

16Placer County, CACA442,0810.2%+0.2 pts

17Santa Cruz County, CACA258,8520.2%−0.1 pts

18Kern County, CACA927,0680.2%+0.2 pts

19Riverside County, CACA2,544,9160.2%+0.0 pts

20Lake County, CACA67,7720.2%+0.2 pts

21Yolo County, CACA224,4100.2%+0.1 pts

22Sacramento County, CACA1,618,4600.2%+0.1 pts

23San Diego County, CACA3,282,2480.2%+0.1 pts

24San Joaquin County, CACA823,8150.2%+0.0 pts

25Modoc County, CACA8,4260.2%–

26Santa Barbara County, CACA442,0650.2%+0.0 pts

27San Luis Obispo County, CACA282,3670.2%+0.0 pts

28Sonoma County, CACA486,4440.2%+0.1 pts

29Monterey County, CACA433,7290.1%+0.0 pts

30Butte County, CACA209,2110.1%+0.0 pts

31Tulare County, CACA485,1460.1%+0.1 pts

32Stanislaus County, CACA557,7190.1%+0.0 pts

33Tehama County, CACA64,6650.1%–

34Merced County, CACA297,2600.1%+0.0 pts

35Kings County, CACA154,3270.1%+0.1 pts

36El Dorado County, CACA192,3230.1%+0.1 pts

37Fresno County, CACA1,035,4560.1%+0.0 pts

38Yuba County, CACA88,6910.1%+0.1 pts

39Siskiyou County, CACA42,0130.1%+0.1 pts

40Calaveras County, CACA46,6050.1%–

41Mono County, CACA12,5050.1%–

42Lassen County, CACA28,1170.1%–

43Sutter County, CACA98,7870.1%+0.0 pts

44Humboldt County, CACA131,6470.0%+0.0 pts

45Plumas County, CACA18,5830.0%–

46Imperial County, CACA181,4110.0%−0.1 pts

47Mariposa County, CACA16,9180.0%–

48Shasta County, CACA181,6480.0%−0.0 pts

49Nevada County, CACA101,9110.0%−0.0 pts

50Mendocino County, CACA88,1220.0%−0.0 pts

51Madera County, CACA167,9270.0%−0.0 pts

SHOWING 1–51 OF 51

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES