RANKING · 2020 CENSUS · 48 SHOWN OF 48

Largest Chamorro population, California counties · 2020

California counties ranked by the number of residents who are Chamorro, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 48 counties in California that qualify, ranked against each other statewide. The median across all 48 is 254.

Chamorro Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Native Hawaiian population Highest Native Hawaiian population share Largest Samoan population Highest Samoan population share Largest Tongan population Highest Tongan population share

RANKPLACESTATEPOPCHAMORRO POPULATIONVS –

01San Diego County, CACA3,282,2488,812–

02Los Angeles County, CACA9,694,9345,729–

03Riverside County, CACA2,544,9164,143–

04Alameda County, CACA1,636,6303,413–

05Solano County, CACA455,3763,309–

06Orange County, CACA3,149,5072,849–

07Sacramento County, CACA1,618,4602,524–

08Santa Clara County, CACA1,914,3912,394–

09San Bernardino County, CACA2,224,0912,020–

10Contra Costa County, CACA1,170,0701,700–

11San Joaquin County, CACA823,8151,447–

12Monterey County, CACA433,729901–

13San Mateo County, CACA743,568876–

14San Francisco County, CACA826,079701–

15Fresno County, CACA1,035,456634–

16Kern County, CACA927,068552–

17Sutter County, CACA98,787510–

18Ventura County, CACA830,851442–

19Stanislaus County, CACA557,719405–

20Placer County, CACA442,081378–

21Humboldt County, CACA131,647338–

22Tulare County, CACA485,146327–

23Shasta County, CACA181,648284–

24Yolo County, CACA224,410254–

25Sonoma County, CACA486,444236–

26Santa Barbara County, CACA442,065231–

27Nevada County, CACA101,911213–

28Marin County, CACA253,694201–

29Butte County, CACA209,211166–

30Yuba County, CACA88,691162–

31Santa Cruz County, CACA258,852124–

32Mendocino County, CACA88,122119–

33Imperial County, CACA181,411112–

34Napa County, CACA132,949110–

35Merced County, CACA297,260105–

36San Luis Obispo County, CACA282,367103–

37San Benito County, CACA70,082102–

38Kings County, CACA154,32763–

39El Dorado County, CACA192,32343–

40Mariposa County, CACA16,91838–

41Amador County, CACA41,87618–

42Madera County, CACA167,92717–

43Lake County, CACA67,77215–

44Tuolumne County, CACA53,16014–

45Inyo County, CACA18,15810–

46Modoc County, CACA8,4267–

47Trinity County, CACA15,7206–

48Del Norte County, CACA26,4103–

SHOWING 1–48 OF 48

Download CSV (full list, 48 rows)

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