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 (2023 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.

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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 2000

01El Dorado County, CACA192,3230.1%–

02Contra Costa County, CACA1,170,0700.1%–

03Marin County, CACA253,6940.1%–

04San Mateo County, CACA743,5680.1%–

05San Francisco County, CACA826,0790.1%–

06Santa Barbara County, CACA442,0650.1%–

07Lake County, CACA67,7720.1%–

08San Diego County, CACA3,282,2480.1%–

09Sacramento County, CACA1,618,4600.1%–

10Riverside County, CACA2,544,9160.0%–

11Orange County, CACA3,149,5070.0%–

12Santa Clara County, CACA1,914,3910.0%–

13Sonoma County, CACA486,4440.0%–

14Humboldt County, CACA131,6470.0%–

15Yolo County, CACA224,4100.0%–

16Santa Cruz County, CACA258,8520.0%–

17Placer County, CACA442,0810.0%–

18San Luis Obispo County, CACA282,3670.0%–

19Alameda County, CACA1,636,6300.0%–

20Los Angeles County, CACA9,694,9340.0%–

21Nevada County, CACA101,9110.0%–

22Merced County, CACA297,2600.0%–

23Ventura County, CACA830,8510.0%–

24Solano County, CACA455,3760.0%–

25Napa County, CACA132,9490.0%–

26Monterey County, CACA433,7290.0%–

27Mendocino County, CACA88,1220.0%–

28Tulare County, CACA485,1460.0%–

29Stanislaus County, CACA557,7190.0%–

30San Bernardino County, CACA2,224,0910.0%–

31Madera County, CACA167,9270.0%–

32Tuolumne County, CACA53,1600.0%–

33San Joaquin County, CACA823,8150.0%–

34Kern County, CACA927,0680.0%–

35Fresno County, CACA1,035,4560.0%–

SHOWING 1–35 OF 35

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