One block east of the square, the town's original cotton warehouse has been replaced with the Henry County Judicial Center.

In the same area the Henry County Courthouse Annex has an original oil on canvas "Cotton Gin" (4+1⁄2 by 11 feet) by artist Jean Charlot.

[6] McDonough is in central Henry County, 28 miles (45 km) southeast of downtown Atlanta.

Snapper Inc. manufacturing residential and professional lawn care and snow removal equipment, was based in McDonough.

[citation needed] The company began in 1894 as Southern Saw Works, and claims to have invented the first self-propelled rotary lawn mower.

[25] The city hosts a Geranium Festival each springtime on the third Saturday in May, celebrating the locally grown flowers and community.

[26] The one-day festival serves as a showcase of local artistry and talent through the open-air craft markets and live musical performances.