County Maps US

Henry County, Georgia

A county in Georgia, ranked 9 of 159 by population.

CountyFIPS 13151

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

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Population
264,922
+23,053 (+9.5%) since 2020
Land area
318.7
square miles. A further 2.4% of the total area is water
Population density
831
people per square mile, computed rather than published
County seat
McDonough
Seat of county government.
Established
1821
204 years ago
Largest city
Stockbridge city
Population 36,331.

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 Henry 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 Henry 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 780 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 Henry 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
Population264,9229th of 159281st of 3,144
Land area318.7 sq mi93rd of 1592,768th of 3,144
Population density831 per sq mi9th of 159188th of 3,144
Median household income$83,14621st of 159480th of 3,143

Full data for Henry County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population264,922Vintage 2025 Population Estimates
Population in 2020241,869Vintage 2025 Population Estimates
2020 estimates base?240,686Vintage 2025 Population Estimates
Land area318.7 sq mi2025 Gazetteer Files
Water area7.8 sq mi2025 Gazetteer Files
Total area326.5 sq mi2025 Gazetteer Files
Population density?831 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$83,146American Community Survey 2020-2024 5-Year Estimates
Median home value$313,900American Community Survey 2020-2024 5-Year Estimates
Median age37.1American Community Survey 2020-2024 5-Year Estimates
Households86,704American Community Survey 2020-2024 5-Year Estimates
Housing units91,424American 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
+817
2,781 births, 1,964 deaths
Net migration
+4,178
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 Henry 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
Clayton CountyGeorgia31 mi297,471
Butts CountyGeorgia23 mi27,218
Spalding CountyGeorgia19 mi70,775
Rockdale CountyGeorgia16 mi98,416
Newton CountyGeorgia15 mi125,583
DeKalb CountyGeorgia7.8 mi774,394

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.