RANKING · 2024 ACS · 47 SHOWN OF 47

Largest Thai population, California counties

California counties ranked by the number of residents who are Thai, from the 2024 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. The median across all 47 is 147. Biggest climber in the top 100 since 2020: Mendocino County, CA, up 13 places to #24.

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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 2020

01Los Angeles County, CACA9,694,93421,810−12%

02Orange County, CACA3,149,5074,428+7%

03San Diego County, CACA3,282,2483,594+25%

04▲1San Bernardino County, CACA2,224,0912,552+10%

05▼1Alameda County, CACA1,636,6302,543−1%

06▲2Riverside County, CACA2,544,9162,030+23%

07▼1Santa Clara County, CACA1,914,3911,843+7%

08▼1San Francisco County, CACA826,0791,727+3%

09▲3San Mateo County, CACA743,5681,410+65%

10Contra Costa County, CACA1,170,0701,142+28%

11▼2Sacramento County, CACA1,618,460888−30%

12▲1Ventura County, CACA830,851717+10%

13▼2Solano County, CACA455,376663−23%

14▲8Merced County, CACA297,260623+143%

15▲1Fresno County, CACA1,035,456546+25%

16▲2Sonoma County, CACA486,444391+33%

17▲7Marin County, CACA253,694373+111%

18▲3Kern County, CACA927,068342+34%

19▼5San Joaquin County, CACA823,815306−48%

20▼3Yolo County, CACA224,410218−43%

21▼1Placer County, CACA442,081192−26%

22▼7Monterey County, CACA433,729189−62%

23▼4Santa Barbara County, CACA442,065178−36%

24▲13Mendocino County, CACA88,122147+425%

25Tulare County, CACA485,146142+15%

26San Luis Obispo County, CACA282,367136+16%

27▼4Santa Cruz County, CACA258,852130−48%

28▲7Shasta County, CACA181,648106+136%

29▲4Nevada County, CACA101,91199+41%

30▲6Kings County, CACA154,32781+125%

31▼1El Dorado County, CACA192,32377−1%

32▼4Stanislaus County, CACA557,71970−29%

33▼2Napa County, CACA132,94968−9%

34▼7Sutter County, CACA98,78761−44%

35▲12Tuolumne County, CACA53,16049+4800%

36▼7Butte County, CACA209,21147−44%

37▲3Del Norte County, CACA26,41044+132%

38▲3Yuba County, CACA88,69143+231%

39Siskiyou County, CACA42,01338+73%

40▼6Humboldt County, CACA131,64736−43%

41Lake County, CACA67,77236–

42Trinity County, CACA15,72030–

43▼5Madera County, CACA167,92716−36%

44▼1Inyo County, CACA18,15810+150%

45Imperial County, CACA181,4113+50%

46Colusa County, CACA21,83610%

47▼3Glenn County, CACA28,1411−50%

SHOWING 1–47 OF 47

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES