| Decatur is a city in, and county seat of, DeKalb County, Georgia, United States. With a population of only 18,147 in the 2000 census, the city is sometimes assumed to be larger since multiple zip codes in unincorporated DeKalb County bear the Decatur name. A suburb of Atlanta, and part of the Atlanta Metropolitan Area, Decatur's public transportation is served by MARTA. The city's motto, inscribed on the city seal, reads "A city of homes, churches, and schools." |