RANKING · 2010 CENSUS · 43 SHOWN OF 43

Highest Peruvian population share, California counties · 2010

California counties ranked by the share of all residents who are Peruvian origin (2010 American Community Survey). A concentration measure: Peruvian residents as a percentage of total population. This list covers the 43 counties in California that qualify, ranked against each other statewide. The median across all 43 is 0.1%.

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 –

01San Mateo County, CACA743,5680.6%–

02Contra Costa County, CACA1,170,0700.5%–

03Los Angeles County, CACA9,694,9340.3%–

04San Francisco County, CACA826,0790.3%–

05Orange County, CACA3,149,5070.3%–

06Santa Cruz County, CACA258,8520.3%–

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

08Marin County, CACA253,6940.3%–

09Alameda County, CACA1,636,6300.3%–

10Ventura County, CACA830,8510.2%–

11San Bernardino County, CACA2,224,0910.2%–

12San Benito County, CACA70,0820.2%–

13Riverside County, CACA2,544,9160.2%–

14Solano County, CACA455,3760.2%–

15San Joaquin County, CACA823,8150.2%–

16Inyo County, CACA18,1580.1%–

17Monterey County, CACA433,7290.1%–

18Santa Barbara County, CACA442,0650.1%–

19Sacramento County, CACA1,618,4600.1%–

20San Luis Obispo County, CACA282,3670.1%–

21Stanislaus County, CACA557,7190.1%–

22Yolo County, CACA224,4100.1%–

23Napa County, CACA132,9490.1%–

24San Diego County, CACA3,282,2480.1%–

25Sonoma County, CACA486,4440.1%–

26Merced County, CACA297,2600.1%–

27Imperial County, CACA181,4110.1%–

28Butte County, CACA209,2110.1%–

29Fresno County, CACA1,035,4560.1%–

30Kern County, CACA927,0680.1%–

31Placer County, CACA442,0810.1%–

32Nevada County, CACA101,9110.0%–

33Mendocino County, CACA88,1220.0%–

34Tulare County, CACA485,1460.0%–

35Kings County, CACA154,3270.0%–

36Shasta County, CACA181,6480.0%–

37Sutter County, CACA98,7870.0%–

38Lake County, CACA67,7720.0%–

39Siskiyou County, CACA42,0130.0%–

40Madera County, CACA167,9270.0%–

41El Dorado County, CACA192,3230.0%–

42Yuba County, CACA88,6910.0%–

43Humboldt County, CACA131,6470.0%–

SHOWING 1–43 OF 43

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