Population: 17,884
Males: 7,694 (42.4%), Females: 10,453 (57.6%)

County: DeKalb County

Zip codes: 30030, 30032, 30033, 30034, 30035.

Median resident age: 36.0 years
Median household income: $47,395
Median house value: $220,400

Races in Decatur:

• White Non-Hispanic (64.7%)

• Black (30.5%)

• Hispanic (1.7%)

• Two or more races (1.4%)

• American Indian (0.7%)

• Other race (0.6%)

Ancestries: English (13.8%), German (11.3%), Irish (10.6%), Scotch-Irish (5.1%), United States (4.8%), French (4.4%).

Elevation: 1048 feet

Land area: 4.2 square miles

For population 25 years and over in Decatur

• High school or higher: 87.8%

• Bachelor's degree or higher: 56.0%

• Graduate or professional degree: 27.0%

• Unemployed: 5.8%

• Mean travel time to work: 26.2 minutes

For population 15 years and over in Decatur city

• Never married: 36.7%

• Now married: 41.6%

• Separated: 2.4%

• Widowed: 8.2%

• Divorced: 11.1%

6.6% Foreign born (2.1% Europe, 1.7% Asia, 1.3% Africa, 1.1% Latin America).

Population change in the 1990s: +760 (+4.4%).