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 (2023 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.

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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 2000

01San Mateo County, CACA743,5680.8%–

02Contra Costa County, CACA1,170,0700.7%–

03Marin County, CACA253,6940.6%–

04San Francisco County, CACA826,0790.5%–

05Los Angeles County, CACA9,694,9340.4%–

06San Bernardino County, CACA2,224,0910.3%–

07Santa Clara County, CACA1,914,3910.3%–

08Orange County, CACA3,149,5070.3%–

09Humboldt County, CACA131,6470.3%–

10Alameda County, CACA1,636,6300.3%–

11Amador County, CACA41,8760.3%–

12Riverside County, CACA2,544,9160.3%–

13Solano County, CACA455,3760.2%–

14Ventura County, CACA830,8510.2%–

15Yolo County, CACA224,4100.2%–

16San Benito County, CACA70,0820.2%–

17Napa County, CACA132,9490.2%–

18Placer County, CACA442,0810.2%–

19El Dorado County, CACA192,3230.2%–

20San Diego County, CACA3,282,2480.2%–

21Modoc County, CACA8,4260.2%–

22Sonoma County, CACA486,4440.2%–

23Santa Barbara County, CACA442,0650.1%–

24Santa Cruz County, CACA258,8520.1%–

25Sacramento County, CACA1,618,4600.1%–

26Stanislaus County, CACA557,7190.1%–

27San Joaquin County, CACA823,8150.1%–

28Monterey County, CACA433,7290.1%–

29Tuolumne County, CACA53,1600.1%–

30Shasta County, CACA181,6480.1%–

31Tulare County, CACA485,1460.1%–

32Kern County, CACA927,0680.1%–

33Merced County, CACA297,2600.1%–

34Fresno County, CACA1,035,4560.1%–

35San Luis Obispo County, CACA282,3670.1%–

36Calaveras County, CACA46,6050.1%–

37Butte County, CACA209,2110.1%–

38Mariposa County, CACA16,9180.0%–

39Nevada County, CACA101,9110.0%–

40Siskiyou County, CACA42,0130.0%–

41Plumas County, CACA18,5830.0%–

42Glenn County, CACA28,1410.0%–

43Yuba County, CACA88,6910.0%–

44Kings County, CACA154,3270.0%–

45Mendocino County, CACA88,1220.0%–

46Lake County, CACA67,7720.0%–

47Imperial County, CACA181,4110.0%–

48Madera County, CACA167,9270.0%–

49Sutter County, CACA98,7870.0%–

50Mono County, CACA12,5050.0%–

SHOWING 1–50 OF 50

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