RANKING · 2024 ACS · 35 SHOWN OF 35

Largest Bulgarian population, California counties

California counties ranked by the number of residents who are Bulgarian ancestry, 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 35 counties in California that qualify, ranked against each other statewide.

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Largest Bulgarian population by state

RANKPLACESTATEPOPBULGARIAN POPULATIONVS 2010

01Los Angeles County, CACA9,694,9342,649−29%

02San Diego County, CACA3,282,2481,779+63%

03Orange County, CACA3,149,5071,413+81%

04Riverside County, CACA2,544,9161,112+182%

05Contra Costa County, CACA1,170,0701,107+78%

06Sacramento County, CACA1,618,460847+62%

07Santa Clara County, CACA1,914,391819−21%

08San Francisco County, CACA826,079492+5%

09Alameda County, CACA1,636,630477+53%

10San Mateo County, CACA743,568464+139%

11Santa Barbara County, CACA442,065246+200%

12Marin County, CACA253,694205−14%

13Sonoma County, CACA486,444204+41%

14El Dorado County, CACA192,323198−1%

15Ventura County, CACA830,851176+5%

16San Bernardino County, CACA2,224,091167−10%

17Placer County, CACA442,081142+6%

18Santa Cruz County, CACA258,85293−11%

19Solano County, CACA455,37689−3%

20San Luis Obispo County, CACA282,36786+514%

21Yolo County, CACA224,41083+246%

22Merced County, CACA297,26061–

23Humboldt County, CACA131,64754+350%

24Monterey County, CACA433,72954+35%

25Stanislaus County, CACA557,71947+262%

26Tulare County, CACA485,14645+150%

27San Joaquin County, CACA823,81541−59%

28Lake County, CACA67,77237+3%

29Kern County, CACA927,06830−40%

30Fresno County, CACA1,035,45625–

31Nevada County, CACA101,91124+243%

32Napa County, CACA132,94917+70%

33Madera County, CACA167,9279−64%

34Mendocino County, CACA88,1229−82%

35Tuolumne County, CACA53,1603–

SHOWING 1–35 OF 35

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES