Ranking of California Counties By Percentage of Population with Bulgarian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 13.49K people in California with Bulgarian ancestry (0.03% of California population). Among all California counties, El Dorado County had the highest percentage of its population with Bulgarian ancestry (0.11%), followed by Marin County (0.09%), and San Francisco County (0.08%).

The chart and table below shows the top 10 counties with high percentage of its population having Bulgarian ancestry.

You can see similar information for other states and for other ancestry groups in California.

Data Source: US Census Bureau.
Ranking of California Counties By Percentage of Population with Bulgarian Ancestry in 2021
El Dorado County
Marin County
San Francisco County
Contra Costa County
San Mateo County
San Diego County
San Luis Obispo County
Santa Clara County
Yolo County
Lake County
Ranking of California Counties By Percentage of Population with Bulgarian Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 El Dorado County 0.11
2 Marin County 0.09
3 San Francisco County 0.08
4 Contra Costa County 0.07
4 San Mateo County 0.07
5 San Diego County 0.06
5 San Luis Obispo County 0.06
5 Santa Clara County 0.06
5 Yolo County 0.06
6 Lake County 0.05
6 Placer County 0.05
6 Sacramento County 0.05
6 Santa Barbara County 0.05
7 Alameda County 0.04
7 Humboldt County 0.04
7 Napa County 0.04
7 Orange County 0.04
7 Sonoma County 0.04
8 Los Angeles County 0.03
8 Yuba County 0.03
9 Monterey County 0.02
9 Nevada County 0.02
9 Riverside County 0.02
9 Solano County 0.02
10 Butte County 0.01
10 Fresno County 0.01
10 Kern County 0.01
10 Madera County 0.01
10 Shasta County 0.01
10 Siskiyou County 0.01
10 Ventura County 0.01
11 San Bernardino County 0.004
11 Santa Cruz County 0.004
11 Tulare County 0.004
12 San Joaquin County 0.003
13 Sutter County 0.002