McDonough is a medium-sized city located in the state of Georgia. With a population of 30,340 people and 24 associated neighborhoods, McDonough is the 40th largest community in Georgia. Much of the housing stock in McDonough was built relatively recently. The construction of new real estate can often be taken as an indication that the local McDonough economy is robust, and that jobs or other amenities are attracting an influx of new residents. This seems to be the case in McDonough, where the median household income is $77,804.00.

Telecommuters are a relatively large percentage of the workforce: 12.03% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

One downside of living in McDonough, however, is that residents on average have to contend with a long commute, spending on average 32.27 minutes every day commuting to work.

The overall education level of McDonough is somewhat higher than in the average US city of 21.84%: 27.80% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in McDonough in 2022 was $32,712, which is upper middle income relative to Georgia, and middle income relative to the rest of the US. This equates to an annual income of $130,848 for a family of four. However, McDonough contains both very wealthy and poor people as well.

McDonough is a very ethnically-diverse city. The people who call McDonough home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of McDonough residents report their race to be Black or African-American, followed by White. Important ancestries of people in McDonough include Jamaican, Irish, African, German, and Haitian.

The most common language spoken in McDonough is English. Other important languages spoken here include Spanish and French.