RANKING · 2020 CENSUS · 27 SHOWN OF 27

Highest Vietnamese population share, California counties · 2020

California counties ranked by the share of all residents who are Vietnamese (2023 American Community Survey). A concentration measure: Vietnamese residents as a percentage of total population. This list covers the 27 counties in California that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Chinese population Highest Chinese population share Largest Taiwanese population Highest Taiwanese population share Largest Hmong population Highest Hmong population share

RANKPLACESTATEPOPVIETNAMESE SHAREVS 2000

01Orange County, CACA3,149,5070.1%–

02Contra Costa County, CACA1,170,0700.1%–

03Santa Clara County, CACA1,914,3910.1%–

04Los Angeles County, CACA9,694,9340.0%–

05San Francisco County, CACA826,0790.0%–

06Stanislaus County, CACA557,7190.0%–

07San Mateo County, CACA743,5680.0%–

08Humboldt County, CACA131,6470.0%–

09Alameda County, CACA1,636,6300.0%–

10Ventura County, CACA830,8510.0%–

11Riverside County, CACA2,544,9160.0%–

12San Luis Obispo County, CACA282,3670.0%–

13Placer County, CACA442,0810.0%–

14Sacramento County, CACA1,618,4600.0%–

15Napa County, CACA132,9490.0%–

16San Bernardino County, CACA2,224,0910.0%–

17El Dorado County, CACA192,3230.0%–

18Santa Barbara County, CACA442,0650.0%–

19Kern County, CACA927,0680.0%–

20Santa Cruz County, CACA258,8520.0%–

21San Diego County, CACA3,282,2480.0%–

22Tulare County, CACA485,1460.0%–

23Fresno County, CACA1,035,4560.0%–

24Sonoma County, CACA486,4440.0%–

25Monterey County, CACA433,7290.0%–

26Solano County, CACA455,3760.0%–

27San Joaquin County, CACA823,8150.0%–

SHOWING 1–27 OF 27

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