Population.us

Population of Decatur, GA

Last official estimated population of Decatur city (DeKalb County**, Georgia state) was 20,380 (year 2014)^[1]. This was 0.006% of total US population and 0.2% of total Georgia state population. Area of Decatur city is 4.4 mi² (=11.5 km²)^[6], in this year population density was 4,601.49 p/mi². If population growth rate would be same as in period 2010-2014 (+1.32%/yr), Decatur city population in 2024 would be 23,246*.

Historical population

Historical population of Decatur city for period 1840-2014:

Decatur city on population map

Estimated population for 2014^[1]. Click on flag to hide it.

Population • Legends • Position

Settlements near Decatur city

• Atlanta city population 7.2 mi, 265°
• Brookhaven city 7.5 mi, 343°
• Forest Park city 11 mi, 198°
• Chamblee city 7.6 mi, 359°
• Doraville city 9.6 mi, 9°
• Clarkston city 4.6 mi, 48°
• Hapeville city 10 mi, 219°
• Stone Mountain city 7.6 mi, 72°
• Avondale Estates city 1.9 mi, 95°
• Pine Lake city 5.4 mi, 75°

Sources, notices

*Calculated by population.us from last known population growth rate, not official data.

**Some cities are placed on more than one county. Only 1 county is shown.

[1] Cities and Towns (Incorporated Places and Minor Civil Divisions) 2014, archived from the original, retrieved 02/23/2016

[2] City and Town Intercensal Estimates (2000-2010), archived from the original, retrieved 02/23/2016

[3] Places: 1990 and 1999 Populations, With Numeric and Percent Population Change, archived from the original, retrieved 02/23/2016

[4] Population of the 100 Largest Urban Places: 1980,

[5] Population of the 100 Largest Urban Places in history,

[6] Area, latitude longitude data, retrieved 02/23/2016

[7] Through the Decades, Overview 1790-2010, PDF, large files! >100 Mb