RANKING · 2020 CENSUS · 47 SHOWN OF 47

Largest Thai population, California counties · 2020

California counties ranked by the number of residents who are Thai, 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 47 counties in California that qualify, ranked against each other statewide.

Thai Americans: full group profile →

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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

RANKPLACESTATEPOPTHAI POPULATIONVS –

01Los Angeles County, CACA9,694,93424,670–

02Orange County, CACA3,149,5074,128–

03San Diego County, CACA3,282,2482,865–

04Alameda County, CACA1,636,6302,568–

05San Bernardino County, CACA2,224,0912,315–

06Santa Clara County, CACA1,914,3911,722–

07San Francisco County, CACA826,0791,669–

08Riverside County, CACA2,544,9161,655–

09Sacramento County, CACA1,618,4601,270–

10Contra Costa County, CACA1,170,070891–

11Solano County, CACA455,376860–

12San Mateo County, CACA743,568857–

13Ventura County, CACA830,851649–

14San Joaquin County, CACA823,815586–

15Monterey County, CACA433,729495–

16Fresno County, CACA1,035,456437–

17Yolo County, CACA224,410383–

18Sonoma County, CACA486,444293–

19Santa Barbara County, CACA442,065279–

20Placer County, CACA442,081258–

21Kern County, CACA927,068256–

22Merced County, CACA297,260256–

23Santa Cruz County, CACA258,852252–

24Marin County, CACA253,694177–

25Tulare County, CACA485,146124–

26San Luis Obispo County, CACA282,367117–

27Sutter County, CACA98,787109–

28Stanislaus County, CACA557,71998–

29Butte County, CACA209,21184–

30El Dorado County, CACA192,32378–

31Napa County, CACA132,94975–

32Calaveras County, CACA46,60573–

33Nevada County, CACA101,91170–

34Humboldt County, CACA131,64763–

35Shasta County, CACA181,64845–

36Kings County, CACA154,32736–

37Mendocino County, CACA88,12228–

38Madera County, CACA167,92725–

39Siskiyou County, CACA42,01322–

40Del Norte County, CACA26,41019–

41Yuba County, CACA88,69113–

42Amador County, CACA41,8765–

43Inyo County, CACA18,1584–

44Imperial County, CACA181,4112–

45Glenn County, CACA28,1412–

46Colusa County, CACA21,8361–

47Tuolumne County, CACA53,1601–

SHOWING 1–47 OF 47

Download CSV (full list, 47 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS