Largest Bulgarian population, US counties · 2020
US counties ranked by the number of residents who are Bulgarian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Cook County, Illinois leads at 10,935. 855 counties qualify in total. California carries 5 of the top 25 entries. The median across all 855 is 25.
Bulgarian Americans: full group profile →UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which county has the highest bulgarian population?
Cook County, Illinois ranks #1 with 10,935 (2020 Decennial Census).
What are the top 5 counties by bulgarian population?
Cook County, Illinois, Los Angeles County, California, King County, Washington, Clark County, Nevada, Maricopa County, Arizona.
How many counties are in this ranking?
855 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.
How is bulgarian population measured?
Number of residents who are Bulgarian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.