Forest Park is a city in Clayton County, Georgia, United States. It is located approximately nine miles (14 km) south of Atlanta and is part of the Atlanta–Sandy Springs–Marietta Metropolitan Statistical Area. As of the 2020 census, the city had a population of 19,932. History Originally the third stop from Atlanta on the Macon and Western Railroad, the city was incorporated in 1908. The community was named for the parklike setting of the original town site. The Fort Gillem was founded nearby in 1941 and was annexed into the city in 1973. Geography Forest Park is located at . According to the United States Census Bureau, the city has a total area of , of which is land and (0.43%) is water. Demographics 2020 census As of the 2020 United States census, there were 19,932 people, 6,618 households, and 4,038 families residing in the city. 2010 census As of the census of 2010, there were 18,468 people, 6,877 households, and 4,839 families residing in the city. The population density was . There were 7,233 housing units at an average density of . The racial makeup of the city was 19.2% White, 37.7% African American, 0.50% Native American, 7.9% Asian, 0.01% Pacific Islander, Hispanic or Latino of any race were 34.3% of the population. There were 6,845 households, out of which 37.0% had children under the age of 18 living with them, 40.0% were married couples living together, 22.5% had a female householder with no husband present, and 29.3% were non-families. 22.5% of all households were made up of individuals, and 7.3% had someone living alone who was 65 years of age or older. The average household size was 2.98 and the average family size was 3.42. In the city, the population was spread out, with 28.1% under the age of 18, 13.9% from 18 to 24, 33.6% from 25 to 44, 16.0% from 45 to 64, and 8.7% who were 65 years of age or older. The median age was 29 years. For every 100 females, there were 105.9 males. For every 100 females age 18 and over, there were 105.9 males. The median income for a household in the city was $33,556, and the median income for a family was $36,029. Males had a median income of $27,381 versus $23,104 for females. The per capita income for the city was $13,778. About 12.0% of families and 30.5% of the