RANKING · 2024 ACS · 41 SHOWN OF 41

Highest Ecuadorian population share, California counties

California counties ranked by the share of all residents who are Ecuadorian origin (2023 American Community Survey). A concentration measure: Ecuadorian residents as a percentage of total population. This list covers the 41 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

Highest Ecuadorian population share by state

RANKPLACESTATEPOPECUADORIAN SHAREVS 2000

01Marin County, CACA253,6940.3%–

02Tuolumne County, CACA53,1600.3%–

03Tehama County, CACA64,6650.3%–

04Los Angeles County, CACA9,694,9340.2%–

05San Bernardino County, CACA2,224,0910.2%–

06Orange County, CACA3,149,5070.2%–

07Plumas County, CACA18,5830.1%–

08Ventura County, CACA830,8510.1%–

09Riverside County, CACA2,544,9160.1%–

10Contra Costa County, CACA1,170,0700.1%–

11Modoc County, CACA8,4260.1%–

12San Diego County, CACA3,282,2480.1%–

13Placer County, CACA442,0810.1%–

14San Francisco County, CACA826,0790.1%–

15Napa County, CACA132,9490.1%–

16San Mateo County, CACA743,5680.1%–

17Humboldt County, CACA131,6470.1%–

18Alameda County, CACA1,636,6300.1%–

19Santa Clara County, CACA1,914,3910.1%–

20Sonoma County, CACA486,4440.1%–

21San Benito County, CACA70,0820.1%–

22Monterey County, CACA433,7290.1%–

23San Luis Obispo County, CACA282,3670.1%–

24Santa Barbara County, CACA442,0650.1%–

25Kern County, CACA927,0680.1%–

26Yolo County, CACA224,4100.0%–

27Santa Cruz County, CACA258,8520.0%–

28Stanislaus County, CACA557,7190.0%–

29Sacramento County, CACA1,618,4600.0%–

30Fresno County, CACA1,035,4560.0%–

31Butte County, CACA209,2110.0%–

32Shasta County, CACA181,6480.0%–

33Kings County, CACA154,3270.0%–

34Solano County, CACA455,3760.0%–

35San Joaquin County, CACA823,8150.0%–

36Tulare County, CACA485,1460.0%–

37Madera County, CACA167,9270.0%–

38Merced County, CACA297,2600.0%–

39Mariposa County, CACA16,9180.0%–

40El Dorado County, CACA192,3230.0%–

41Imperial County, CACA181,4110.0%–

SHOWING 1–41 OF 41

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