McDonough is the county seat located in central Henry County. The city is home to the county government and courts system.
McDonough High School is the newest school facility in Henry County, opened in August 2019. The new building replaced the previous Henry County High School. Other schools in the cluster include Tussahaw Elementary, Walnut Creek Elementary, Wesley Lakes Elementary, and McDonough Middle.
The most notable transportation project in the area is a widening project along SR 155. The project will widen the highway to a four-lane section between I-75 and US 23 / SR 42. Preliminary engineering started in 2016 and construction is budgeted to begin in FY 2024.