County Maps US

Jefferson Davis County, Mississippi

A county in Mississippi, ranked 65 of 82 by population.

CountyFIPS 28065

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

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Population
10,941
-333 (-3.0%) since 2020
Land area
408.4
square miles. A further 0.2% of the total area is water
Population density
26.8
people per square mile, computed rather than published
County seat
Prentiss
Seat of county government.
Established
1906
119 years ago
Largest city
Prentiss town
Population 896.

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 Davis 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 Davis County, Mississippi 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 702 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 Jefferson Davis County ranks

Position among the 82 counties of Mississippi, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn MississippiNationally
Population10,94165th of 822,347th of 3,144
Land area408.4 sq mi76th of 822,473rd of 3,144
Population density26.8 per sq mi53rd of 822,017th of 3,144
Median household income$38,54869th of 823,089th of 3,143

Full data for Jefferson Davis County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population10,941Vintage 2025 Population Estimates
Population in 202011,274Vintage 2025 Population Estimates
2020 estimates base?11,326Vintage 2025 Population Estimates
Land area408.4 sq mi2025 Gazetteer Files
Water area0.69 sq mi2025 Gazetteer Files
Total area409.1 sq mi2025 Gazetteer Files
Population density?26.8 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$38,548American Community Survey 2020-2024 5-Year Estimates
Median home value$90,100American Community Survey 2020-2024 5-Year Estimates
Median age46.0American Community Survey 2020-2024 5-Year Estimates
Households4,453American Community Survey 2020-2024 5-Year Estimates
Housing units5,702American 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
-80
114 births, 194 deaths
Net migration
-11
More people moved out than moved in.

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

The 5 areas bordering Jefferson Davis 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
Covington CountyMississippi33 mi17,898
Lawrence CountyMississippi27 mi11,819
Marion CountyMississippi21 mi24,001
Simpson CountyMississippi13 mi25,498
Lamar CountyMississippi4.0 mi67,403

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

All 82 counties of Mississippi

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

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