Peachtree City is the largest city in Fayette County, Georgia, United States. As of the 2020 United States Census, it has a population of 38,244. Peachtree City is located in South Metro Atlanta. Golf carts are widely used in the city. Over 10,000 households in the city own golf carts, and most areas of the city can be reached via more than 90 miles (140 km) of golf cart paths.