Georgia

Decatur

29,367
2020 population
1830
first census record
20
census records

About Decatur

Decatur, Georgia, first appears in the United States federal census in 1830, when it recorded a population of 3,854. At the most recent census, in 2020, its population stood at 29,367.

Its recorded population peaked at 31,785 in 1920, and has since declined by roughly 8 percent.

On the ground today, 9 documented military engagements have been recorded within the county, among them Battle of Fowltown — Second Skirmish (November 30, 1817), First Seminole War – Fowltown Raid, Battle of Fowltown 1817, and 8 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202029,367
201027,842
200028,240
199025,511
198025,495
197022,310
196025,203
195023,620
194022,234
193023,622
192031,785
191029,045
190029,454
189019,949
188019,072
187015,183
186011,922
18508,262
18405,872
18303,854
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in Decatur

Military engagements that took place in Decatur, Georgia.

Battle of Fowltown — Second Skirmish (November 30, 1817)
1817
First Seminole War – Fowltown Raid
1817
Battle of Fowltown 1817
1817
Scott's Canoe Massacre on the Apalachicola
1817
Battle of Fowltown (First Seminole War)
1817
Scott Massacre (First Seminole War)
1817
Battle of Fowltown — Second Attack (November 30, 1817)
1817
Attack on Fort Scott / Flint River Raids
1817
First Seminole War – Battle of Fowltown
1817

Historic places in Decatur

National Register of Historic Places listings in Decatur, Georgia.

Brinson Family Historic District
Brinson
Curry Hill Plantation
Bainbridge
Bainbridge Commercial Historic District
Bainbridge
First African Missionary Baptist Church
Bainbridge
Bainbridge Residential Historic District
Bainbridge
Browse all Georgiahistoric sites ›

Other counties in Georgia

Explore census history and historic records for more Georgia counties.

CalhounCamdenCampbellCandlerCarrollCatoosaCharltonChathamChattahoocheeChattoogaCherokeeClarkeClayClaytonClinchCobbCoffeeColquittColumbiaCook
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Everything a full report reveals about Decatur County, Georgia

This page charts the census history of Decatur County, Georgia. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about Decatur

When does Decatur first appear in the US census?
Decatur, Georgia first appears in the federal census in 1830, with a recorded population of 3,854.
What is the population of Decatur?
At the most recent federal census (2020), Decatur had a recorded population of 29,367.
When did Decatur's population peak?
Decatur's recorded population peaked at 31,785 in 1920.
Were any battles fought in Decatur?
9 documented military engagements took place in Decatur, including Battle of Fowltown — Second Skirmish (November 30, 1817), First Seminole War – Fowltown Raid, Battle of Fowltown 1817.
How many historic places are in Decatur?
8 sites are listed on the National Register of Historic Places in Decatur, Georgia.
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