Stonecrest Georgia is one of the largest cities in unincorporated Dekalb.The census report shows there are nearly 64,000 Army Veter…Stonecrest Georgia is one of the largest cities in unincorporated Dekalb.The census report shows there are nearly 64,000 Army Veterans in Dist 4 and 40% living in Unincorporated District 4 with 15% are disabled adults and the rest are elderly. With a very small number of children and adults 55 and over. The boundaries of the city generally lie in the far southeastern corner of the county, and a smaller portion just north of Interstate 20. The southern tip of Lithonia a small residential town also a part of Unincorporated Dist 4.. The Business District would be in the small city of Lithonia Dist 5 on the upper regions.Lithonia, as well as Rockdale and Henry counties.