RANKING · 2020 CENSUS · 50 SHOWN OF 50

Highest Peruvian population share, California counties · 2020

California counties ranked by the share of all residents who are Peruvian origin (2020 American Community Survey). A concentration measure: Peruvian residents as a percentage of total population. This list covers the 50 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, CACA1,170,0700.7%+0.2 pts

03Marin County, CACA253,6940.6%+0.4 pts

04San Francisco County, CACA826,0790.5%+0.2 pts

05Los Angeles County, CACA9,694,9340.4%+0.0 pts

06San Bernardino County, CACA2,224,0910.3%+0.1 pts

07Santa Clara County, CACA1,914,3910.3%+0.0 pts

08Orange County, CACA3,149,5070.3%−0.0 pts

09Humboldt County, CACA131,6470.3%+0.3 pts

10Alameda County, CACA1,636,6300.3%+0.0 pts

11Amador County, CACA41,8760.3%–

12Riverside County, CACA2,544,9160.3%+0.1 pts

13Solano County, CACA455,3760.2%+0.0 pts

14Ventura County, CACA830,8510.2%−0.0 pts

15Yolo County, CACA224,4100.2%+0.1 pts

16San Benito County, CACA70,0820.2%+0.0 pts

17Napa County, CACA132,9490.2%+0.1 pts

18Placer County, CACA442,0810.2%+0.1 pts

19El Dorado County, CACA192,3230.2%+0.2 pts

20San Diego County, CACA3,282,2480.2%+0.1 pts

21Modoc County, CACA8,4260.2%–

22Sonoma County, CACA486,4440.2%+0.1 pts

23Santa Barbara County, CACA442,0650.1%+0.0 pts

24Santa Cruz County, CACA258,8520.1%−0.2 pts

25Sacramento County, CACA1,618,4600.1%+0.0 pts

26Stanislaus County, CACA557,7190.1%+0.0 pts

27San Joaquin County, CACA823,8150.1%−0.1 pts

28Monterey County, CACA433,7290.1%−0.0 pts

29Tuolumne County, CACA53,1600.1%–

30Shasta County, CACA181,6480.1%+0.1 pts

31Tulare County, CACA485,1460.1%+0.1 pts

32Kern County, CACA927,0680.1%+0.0 pts

33Merced County, CACA297,2600.1%−0.0 pts

34Fresno County, CACA1,035,4560.1%−0.0 pts

35San Luis Obispo County, CACA282,3670.1%−0.1 pts

36Calaveras County, CACA46,6050.1%–

37Butte County, CACA209,2110.1%−0.0 pts

38Mariposa County, CACA16,9180.0%–

39Nevada County, CACA101,9110.0%−0.0 pts

40Siskiyou County, CACA42,0130.0%+0.0 pts

41Plumas County, CACA18,5830.0%–

42Glenn County, CACA28,1410.0%–

43Yuba County, CACA88,6910.0%+0.0 pts

44Kings County, CACA154,3270.0%−0.0 pts

45Mendocino County, CACA88,1220.0%−0.0 pts

46Lake County, CACA67,7720.0%−0.0 pts

47Imperial County, CACA181,4110.0%−0.1 pts

48Madera County, CACA167,9270.0%−0.0 pts

49Sutter County, CACA98,7870.0%−0.0 pts

50Mono County, CACA12,5050.0%–

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS