Rockmart, Georgia, United States [City]; population was 3,356 in 1990; housing units was 1,442 in 1990; location is 34°1'N 85°3'W; land area is 4.09 square miles (2,619 acres); water area is 0.03 square miles (21 acres); FIPS code is 66276 [SourceCBP]