Lovejoy is a city in Clayton County, Georgia, United States. As of the 2010 census, the city had a population of 6,422, up from 2,495 in 2000. During the American Civil War, it was the site of the Battle of Lovejoy's Station during the Atlanta Campaign of 1864.During the 2000s, Lovejoy was proposed by the Georgia Department of Transportation to be the endpoint of metro Atlanta's first commuter rail line.GeographyLovejoy is located in southern Clayton County at . It is bordered by Henry County to the south and the unincorporated community of Bonanza to the north. U.S. Routes 19 and 41 pass through the western part of Lovejoy, leading north to downtown Atlanta and south to Griffin.According to the United States Census Bureau, the city has a total area of 6.8km2, of which 0.06sqkm, or 0.91%, is water.