[7] David Cassens has published a study of 'The Bulgarian Colony of Southwestern Illinois 1900-1920'.

From the Eastern European countries, Bulgaria has the second highest number of students who study in the United States, after Russia.

[9] The state with the largest number of Bulgarians is Illinois, followed by California, New York, Florida, Ohio, and Indiana.

According to the 2000 US census the cities with the highest number of Bulgarian Americans are New York, Los Angeles, Chicago and Miami.

Approximately 60% of Bulgarian Americans over the age of 25 hold a bachelor's degree or higher.