Jefferson County, Tennessee

A county in Tennessee, ranked 26 of 95 by population.

CountyFIPS 47089

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

Download SVGFull Tennessee map downloads

Population
60,024
+5,127 (+9.3%) since 2020
Land area
275.2
square miles. A further 12.5% of the total area is water
Population density
218
people per square mile, computed rather than published
County seat
Dandridge
Seat of county government.
Established
1792
233 years ago
Largest city
Jefferson City city
Population 9,103.

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 Jefferson 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 Jefferson 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 800 by 636 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 Jefferson 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
Population60,02426th of 95892nd of 3,144
Land area275.2 sq mi79th of 952,857th of 3,144
Population density218 per sq mi17th of 95539th of 3,144
Median household income$66,11426th of 951,524th of 3,143

Full data for Jefferson County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population60,024Vintage 2025 Population Estimates
Population in 202054,897Vintage 2025 Population Estimates
2020 estimates base?54,666Vintage 2025 Population Estimates
Land area275.2 sq mi2025 Gazetteer Files
Water area39.2 sq mi2025 Gazetteer Files
Total area314.3 sq mi2025 Gazetteer Files
Population density?218 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$66,114American Community Survey 2020-2024 5-Year Estimates
Median home value$229,300American Community Survey 2020-2024 5-Year Estimates
Median age44.3American Community Survey 2020-2024 5-Year Estimates
Households21,817American Community Survey 2020-2024 5-Year Estimates
Housing units25,632American 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
-229
561 births, 790 deaths
Net migration
+1,044
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 Jefferson 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
Grainger CountyTennessee32 mi25,739
Sevier CountyTennessee32 mi101,342
Cocke CountyTennessee19 mi37,889
Hamblen CountyTennessee19 mi68,843
Knox CountyTennessee8.4 mi511,453

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.