County Maps US

Decatur County, Georgia

A county in Georgia, ranked 66 of 159 by population.

CountyFIPS 13087

Within Georgia
Decatur County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Bainbridge, the county seat, located via the 2025 Census Gazetteer.

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Population
29,432
-4 (0%) since 2020
Land area
597.2
square miles. A further 4.2% of the total area is water
Population density
49.3
people per square mile, computed rather than published
County seat
Bainbridge
Seat of county government.
Established
1823
202 years ago
Largest city
Bainbridge city
Population 14,606.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Decatur County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Decatur County, Georgia from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 741 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Decatur County ranks

Position among the 159 counties of Georgia, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn GeorgiaNationally
Population29,43266th of 1591,466th of 3,144
Land area597.2 sq mi12th of 1591,637th of 3,144
Population density49.3 per sq mi96th of 1591,487th of 3,144
Median household income$53,317102nd of 1592,574th of 3,143

Full data for Decatur County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population29,432Vintage 2025 Population Estimates
Population in 202029,436Vintage 2025 Population Estimates
2020 estimates base?29,479Vintage 2025 Population Estimates
Land area597.2 sq mi2025 Gazetteer Files
Water area25.9 sq mi2025 Gazetteer Files
Total area623.2 sq mi2025 Gazetteer Files
Population density?49.3 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$53,317American Community Survey 2020-2024 5-Year Estimates
Median home value$158,800American Community Survey 2020-2024 5-Year Estimates
Median age38.9American Community Survey 2020-2024 5-Year Estimates
Households10,621American Community Survey 2020-2024 5-Year Estimates
Housing units13,215American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-36
329 births, 365 deaths
Net migration
+2
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Decatur County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Seminole CountyGeorgia34 mi9,162
Gadsden CountyFlorida29 mi44,298
Grady CountyGeorgia27 mi26,590
Miller CountyGeorgia12 mi5,812
Mitchell CountyGeorgia7.8 mi20,467
Baker CountyGeorgia2.1 mi2,725

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 159 counties of Georgia

Open the interactive Georgia county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.