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. The median across all 51 is 0.2%. Biggest climber in the top 100 since 2020: Lake County, CA, up 26 places to #20.

Peruvian Americans: full group profile →

CaliforniaAll states All rankings

SAME RANKING BYCities States Metros

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

04▲13Napa County, CACA132,9490.5%+0.4 pts

05▼1San Francisco County, CACA826,0790.5%+0.2 pts

06▲5Amador County, CACA41,8760.4%–

07▼2Los Angeles County, CACA9,694,9340.4%+0.1 pts

08▲2Alameda County, CACA1,636,6300.3%+0.1 pts

09▲4Solano County, CACA455,3760.3%+0.1 pts

10▼2Orange County, CACA3,149,5070.3%0.0 pts

11▼4Santa Clara County, CACA1,914,3910.3%0.0 pts

12▲4San Benito County, CACA70,0820.3%+0.1 pts

13▲16Tuolumne County, CACA53,1600.3%–

14Ventura County, CACA830,8510.3%+0.1 pts

15▼9San Bernardino County, CACA2,224,0910.2%0.0 pts

16▲2Placer County, CACA442,0810.2%+0.2 pts

17▲7Santa Cruz County, CACA258,8520.2%−0.1 pts

18▲14Kern County, CACA927,0680.2%+0.2 pts

19▼7Riverside County, CACA2,544,9160.2%0.0 pts

20▲26Lake County, CACA67,7720.2%+0.2 pts

21▼6Yolo County, CACA224,4100.2%+0.1 pts

22▲3Sacramento County, CACA1,618,4600.2%+0.1 pts

23▼3San Diego County, CACA3,282,2480.2%+0.1 pts

24▲3San Joaquin County, CACA823,8150.2%0.0 pts

25▼4Modoc County, CACA8,4260.2%–

26▼3Santa Barbara County, CACA442,0650.2%0.0 pts

27▲8San Luis Obispo County, CACA282,3670.2%0.0 pts

28▼6Sonoma County, CACA486,4440.2%+0.1 pts

29▼1Monterey County, CACA433,7290.1%0.0 pts

30▲7Butte County, CACA209,2110.1%0.0 pts

31Tulare County, CACA485,1460.1%+0.1 pts

32▼6Stanislaus County, CACA557,7190.1%0.0 pts

33Tehama County, CACA64,6650.1%–

34▼1Merced County, CACA297,2600.1%0.0 pts

35▲9Kings County, CACA154,3270.1%+0.1 pts

36▼17El Dorado County, CACA192,3230.1%+0.1 pts

37▼3Fresno County, CACA1,035,4560.1%0.0 pts

38▲5Yuba County, CACA88,6910.1%+0.1 pts

39▲1Siskiyou County, CACA42,0130.1%+0.1 pts

40▼4Calaveras County, CACA46,6050.1%–

41▲9Mono County, CACA12,5050.1%–

42Lassen County, CACA28,1170.1%–

43▲6Sutter County, CACA98,7870.1%0.0 pts

44▼35Humboldt County, CACA131,6470.0%0.0 pts

45▼4Plumas County, CACA18,5830.0%–

46▲1Imperial County, CACA181,4110.0%−0.1 pts

47▼9Mariposa County, CACA16,9180.0%–

48▼18Shasta County, CACA181,6480.0%0.0 pts

49▼10Nevada County, CACA101,9110.0%0.0 pts

50▼5Mendocino County, CACA88,1220.0%0.0 pts

51▼3Madera County, CACA167,9270.0%0.0 pts

SHOWING 1–51 OF 51

Download CSV (full list, 51 rows)

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