Jackson County, Tennessee

A county in Tennessee, ranked 86 of 95 by population.

CountyFIPS 47087

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

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Population
12,466
+829 (+7.1%) since 2020
Land area
308.8
square miles. A further 3.4% of the total area is water
Population density
40.4
people per square mile, computed rather than published
County seat
Gainesboro
Seat of county government.
Established
1801
224 years ago
Largest city
Gainesboro town
Population 969.

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 Jackson 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 Jackson County, Tennessee 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 747 by 800 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 Jackson County ranks

Position among the 95 counties of Tennessee, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn TennesseeNationally
Population12,46686th of 952,256th of 3,144
Land area308.8 sq mi71st of 952,789th of 3,144
Population density40.4 per sq mi81st of 951,667th of 3,144
Median household income$47,95188th of 952,872nd of 3,143

Full data for Jackson County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population12,466Vintage 2025 Population Estimates
Population in 202011,637Vintage 2025 Population Estimates
2020 estimates base?11,620Vintage 2025 Population Estimates
Land area308.8 sq mi2025 Gazetteer Files
Water area10.7 sq mi2025 Gazetteer Files
Total area319.5 sq mi2025 Gazetteer Files
Population density?40.4 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$47,951American Community Survey 2020-2024 5-Year Estimates
Median home value$155,500American Community Survey 2020-2024 5-Year Estimates
Median age46.9American Community Survey 2020-2024 5-Year Estimates
Households4,795American Community Survey 2020-2024 5-Year Estimates
Housing units5,854American 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
-68
114 births, 182 deaths
Net migration
+87
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 5 areas bordering Jackson 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
Putnam CountyTennessee32 mi86,612
Clay CountyTennessee28 mi7,821
Smith CountyTennessee16 mi20,981
Overton CountyTennessee7.0 mi23,787
Macon CountyTennessee6.1 mi27,663

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

All 95 counties of Tennessee

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

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