McDonough is a city located in Henry County Georgia. It is also the county seat of Henry County. With a 2020 population of 28,808, it is the 42nd largest city in Georgia and the 1344th largest city in the United States . McDonough is currently growing at a rate of 3.67% annually and its population has increased by 30.45% since the most recent census, which recorded a population of 22,084 in 2010. McDonough reached it's highest population of in . Spanning over 13 miles, McDonough has a population density of 2,283 people per square mile.
The average household income in McDonough is $70,951 with a poverty rate of 10.98%. The median rental costs in recent years comes to $1,137 per month, and the median house value is $164,100. The median age in McDonough is 32.1 years, 29.5 years for males, and 34.9 years for females.