RANKING · 2024 ACS · 35 SHOWN OF 35

Highest Bulgarian population share, California counties

California counties ranked by the share of all residents who are Bulgarian ancestry (2024 American Community Survey). A concentration measure: Bulgarian residents as a percentage of total population. This list covers the 35 counties in California that qualify, ranked against each other statewide.

Bulgarian Americans: full group profile →

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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

Highest Bulgarian population share by state

RANKPLACESTATEPOPBULGARIAN SHAREVS 2010

01El Dorado County, CACA192,3230.1%−0.0 pts

02Contra Costa County, CACA1,170,0700.1%+0.0 pts

03Marin County, CACA253,6940.1%−0.0 pts

04San Mateo County, CACA743,5680.1%+0.0 pts

05San Francisco County, CACA826,0790.1%−0.0 pts

06Santa Barbara County, CACA442,0650.1%+0.0 pts

07Lake County, CACA67,7720.1%−0.0 pts

08San Diego County, CACA3,282,2480.1%+0.0 pts

09Sacramento County, CACA1,618,4600.1%+0.0 pts

10Riverside County, CACA2,544,9160.0%+0.0 pts

11Orange County, CACA3,149,5070.0%+0.0 pts

12Santa Clara County, CACA1,914,3910.0%−0.0 pts

13Sonoma County, CACA486,4440.0%+0.0 pts

14Humboldt County, CACA131,6470.0%+0.0 pts

15Yolo County, CACA224,4100.0%+0.0 pts

16Santa Cruz County, CACA258,8520.0%−0.0 pts

17Placer County, CACA442,0810.0%−0.0 pts

18San Luis Obispo County, CACA282,3670.0%+0.0 pts

19Alameda County, CACA1,636,6300.0%+0.0 pts

20Los Angeles County, CACA9,694,9340.0%−0.0 pts

21Nevada County, CACA101,9110.0%+0.0 pts

22Merced County, CACA297,2600.0%–

23Ventura County, CACA830,8510.0%+0.0 pts

24Solano County, CACA455,3760.0%−0.0 pts

25Napa County, CACA132,9490.0%+0.0 pts

26Monterey County, CACA433,7290.0%+0.0 pts

27Mendocino County, CACA88,1220.0%−0.0 pts

28Tulare County, CACA485,1460.0%+0.0 pts

29Stanislaus County, CACA557,7190.0%+0.0 pts

30San Bernardino County, CACA2,224,0910.0%−0.0 pts

31Madera County, CACA167,9270.0%−0.0 pts

32Tuolumne County, CACA53,1600.0%–

33San Joaquin County, CACA823,8150.0%−0.0 pts

34Kern County, CACA927,0680.0%−0.0 pts

35Fresno County, CACA1,035,4560.0%–

SHOWING 1–35 OF 35

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES