RANKING · 2020 CENSUS · 39 SHOWN OF 39

Highest Ecuadorian population share, California counties · 2020

California counties ranked by the share of all residents who are Ecuadorian origin (2020 American Community Survey). A concentration measure: Ecuadorian residents as a percentage of total population. This list covers the 39 counties in California that qualify, ranked against each other statewide. The median across all 39 is 0.0%.

Ecuadorian Americans: full group profile →

CaliforniaAll states All rankings

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 2010

01Tuolumne County, CACA53,1600.5%–

02Los Angeles County, CACA9,694,9340.2%0.0 pts

03Marin County, CACA253,6940.2%+0.1 pts

04San Bernardino County, CACA2,224,0910.2%+0.1 pts

05Ventura County, CACA830,8510.2%+0.1 pts

06Orange County, CACA3,149,5070.1%0.0 pts

07San Mateo County, CACA743,5680.1%0.0 pts

08San Diego County, CACA3,282,2480.1%0.0 pts

09San Francisco County, CACA826,0790.1%0.0 pts

10Riverside County, CACA2,544,9160.1%0.0 pts

11Plumas County, CACA18,5830.1%0.0 pts

12Kings County, CACA154,3270.1%+0.1 pts

13San Benito County, CACA70,0820.1%–

14Contra Costa County, CACA1,170,0700.1%0.0 pts

15Yolo County, CACA224,4100.1%0.0 pts

16Sonoma County, CACA486,4440.1%0.0 pts

17Santa Cruz County, CACA258,8520.1%0.0 pts

18Solano County, CACA455,3760.1%0.0 pts

19San Joaquin County, CACA823,8150.0%0.0 pts

20Sacramento County, CACA1,618,4600.0%0.0 pts

21Santa Barbara County, CACA442,0650.0%0.0 pts

22San Luis Obispo County, CACA282,3670.0%0.0 pts

23Fresno County, CACA1,035,4560.0%0.0 pts

24Santa Clara County, CACA1,914,3910.0%0.0 pts

25Alameda County, CACA1,636,6300.0%0.0 pts

26El Dorado County, CACA192,3230.0%0.0 pts

27Monterey County, CACA433,7290.0%0.0 pts

28Madera County, CACA167,9270.0%0.0 pts

29Glenn County, CACA28,1410.0%0.0 pts

30Humboldt County, CACA131,6470.0%0.0 pts

31Calaveras County, CACA46,6050.0%–

32Placer County, CACA442,0810.0%0.0 pts

33Kern County, CACA927,0680.0%−0.1 pts

34Napa County, CACA132,9490.0%0.0 pts

35Stanislaus County, CACA557,7190.0%0.0 pts

36Tulare County, CACA485,1460.0%–

37Nevada County, CACA101,9110.0%–

38Merced County, CACA297,2600.0%–

39Mendocino County, CACA88,1220.0%0.0 pts

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

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