RANKING · 2020 CENSUS · 36 SHOWN OF 36

Largest Bulgarian population, California counties · 2020

California counties ranked by the number of residents who are Bulgarian ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 36 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 2000

01Los Angeles County, CACA9,694,9343,544–

02San Diego County, CACA3,282,2481,822–

03Santa Clara County, CACA1,914,3911,157–

04Orange County, CACA3,149,507965–

05Sacramento County, CACA1,618,460889–

06Contra Costa County, CACA1,170,070724–

07Alameda County, CACA1,636,630574–

08San Francisco County, CACA826,079557–

09Riverside County, CACA2,544,916556–

10San Mateo County, CACA743,568451–

11Solano County, CACA455,376423–

12Placer County, CACA442,081320–

13El Dorado County, CACA192,323236–

14Marin County, CACA253,694218–

15Santa Barbara County, CACA442,065217–

16Sonoma County, CACA486,444214–

17San Luis Obispo County, CACA282,367189–

18Ventura County, CACA830,851120–

19Yolo County, CACA224,410101–

20Santa Cruz County, CACA258,85294–

21Monterey County, CACA433,72993–

22San Bernardino County, CACA2,224,09192–

23Fresno County, CACA1,035,45672–

24Napa County, CACA132,94941–

25Kern County, CACA927,06837–

26Lake County, CACA67,77231–

27Shasta County, CACA181,64830–

28Tulare County, CACA485,14628–

29San Joaquin County, CACA823,81526–

30Madera County, CACA167,92724–

31Nevada County, CACA101,91121–

32Butte County, CACA209,21112–

33Humboldt County, CACA131,6478–

34Yuba County, CACA88,6918–

35Sutter County, CACA98,7872–

36Siskiyou County, CACA42,0131–

SHOWING 1–36 OF 36

Download CSV (full list, 36 rows)

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