DECATUR, a town of Georgia, on the Georgia railroad, Im. E. of the city limits of Atlanta, at an altitude of 1,000f t.; the county seat of Dekalb county. The population was 6,15o in 1920 (21% negroes) and was 13,276 in 1930 by the Federal census. It is a residential suburb, the seat of Columbia Theological seminary (Presbyterian), and of Agnes Scott college for women (Presby terian), founded in 1889 as a "female seminary" and named after the mother of a generous benefactor, Col. George W. Scott. Decatur was incorporated in 1823.