[3] On December 26, 1862, the Confederate John Hunt Morgan sent a detachment from Upton to the bridge over Bacon Creek in Bonnieville.

A brief firefight with a detachment of the 2nd Michigan Volunteer Cavalry Regiment resulted with the destruction of the bridge for a third time and the wounding of 23.

Most of the city's businesses closed after Interstate 65 was finished in the 1970s, which enabled travelers to reach Louisville and Nashville without going through Bonnieville.

[5] On November 5, 2024, in an effort spearheaded by Melody Shanaberger, residents voted 67-60 to dissolve Bonnieville into Hart County, effective December 8.

[9] According to the United States Census Bureau, the city has a total area of 0.6 square miles (1.6 km2), all land.

Part of the original main line of the historic Louisville and Nashville Railroad (now CSX) passes through the city.