RANKING · 2020 CENSUS · 36 SHOWN OF 36

Highest Guamanian population share, California counties · 2020

California counties ranked by the share of all residents who are Guamanian (2023 American Community Survey). A concentration measure: Guamanian residents as a percentage of total population. This list covers the 36 counties in California that qualify, ranked against each other statewide.

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

Highest Guamanian population share by state

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RANKPLACESTATEPOPGUAMANIAN SHAREVS 2000

01Lassen County, CACA28,1170.3%–

02Stanislaus County, CACA557,7190.1%–

03Monterey County, CACA433,7290.1%–

04Sacramento County, CACA1,618,4600.1%–

05Sutter County, CACA98,7870.0%–

06Napa County, CACA132,9490.0%–

07Solano County, CACA455,3760.0%–

08San Joaquin County, CACA823,8150.0%–

09Fresno County, CACA1,035,4560.0%–

10Yuba County, CACA88,6910.0%–

11Contra Costa County, CACA1,170,0700.0%–

12Shasta County, CACA181,6480.0%–

13San Diego County, CACA3,282,2480.0%–

14Ventura County, CACA830,8510.0%–

15Alameda County, CACA1,636,6300.0%–

16Riverside County, CACA2,544,9160.0%–

17Kings County, CACA154,3270.0%–

18San Bernardino County, CACA2,224,0910.0%–

19San Francisco County, CACA826,0790.0%–

20Tuolumne County, CACA53,1600.0%–

21Tulare County, CACA485,1460.0%–

22Santa Clara County, CACA1,914,3910.0%–

23Orange County, CACA3,149,5070.0%–

24Los Angeles County, CACA9,694,9340.0%–

25San Mateo County, CACA743,5680.0%–

26Amador County, CACA41,8760.0%–

27El Dorado County, CACA192,3230.0%–

28Santa Cruz County, CACA258,8520.0%–

29Sonoma County, CACA486,4440.0%–

30Imperial County, CACA181,4110.0%–

31Placer County, CACA442,0810.0%–

32Kern County, CACA927,0680.0%–

33Yolo County, CACA224,4100.0%–

34Butte County, CACA209,2110.0%–

35Lake County, CACA67,7720.0%–

36San Luis Obispo County, CACA282,3670.0%–

SHOWING 1–36 OF 36

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