Largest Bulgarian population, US counties
US counties ranked by the number of residents who are Bulgarian ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Cook County, Illinois leads at 11,680. 836 counties qualify in total. California carries 6 of the top 25 entries. The median across all 836 is 31. Biggest climber in the top 100 since 2020: Northumberland County, PA, up 532 places to #84.
Bulgarian Americans: full group profile →UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which county has the highest bulgarian population?
Cook County, Illinois ranks #1 with 11,680 (2024 American Community Survey).
What are the top 5 counties by bulgarian population?
Cook County, Illinois, King County, Washington, Los Angeles County, California, San Diego County, California, Clark County, Nevada.
How many counties are in this ranking?
836 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.
How is bulgarian population measured?
Number of residents who are Bulgarian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).