Largest Bulgarian population, US counties · 2010
US counties ranked by the number of residents who are Bulgarian ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Cook County, Illinois leads at 9,665. 841 counties qualify in total. California carries 5 of the top 25 entries.
Bulgarian Americans: full group profile →UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which county has the highest bulgarian population?
Cook County, Illinois ranks #1 with 9,665 (2010 Decennial Census).
What are the top 5 counties by bulgarian population?
Cook County, Illinois, Los Angeles County, California, Clark County, Nevada, Queens County, New York, King County, Washington.
How many counties are in this ranking?
841 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 Decennial Census data.
How is bulgarian population measured?
Number of residents who are Bulgarian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2010 Decennial Census.