County Maps US

Newton County, Mississippi

A county in Mississippi, ranked 43 of 82 by population.

CountyFIPS 28101

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

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Population
20,960
-290 (-1.4%) since 2020
Land area
577.8
square miles. A further 0.3% of the total area is water
Population density
36.3
people per square mile, computed rather than published
County seat
Decatur
Seat of county government.
Established
1836
189 years ago
Largest city
Newton city
Population 3,040.

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 Newton 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 Newton 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 783 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 Newton 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
Population20,96043rd of 821,775th of 3,144
Land area577.8 sq mi39th of 821,708th of 3,144
Population density36.3 per sq mi44th of 821,764th of 3,144
Median household income$50,54039th of 822,743rd of 3,143

Full data for Newton County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population20,960Vintage 2025 Population Estimates
Population in 202021,250Vintage 2025 Population Estimates
2020 estimates base?21,288Vintage 2025 Population Estimates
Land area577.8 sq mi2025 Gazetteer Files
Water area1.7 sq mi2025 Gazetteer Files
Total area579.5 sq mi2025 Gazetteer Files
Population density?36.3 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$50,540American Community Survey 2020-2024 5-Year Estimates
Median home value$106,300American Community Survey 2020-2024 5-Year Estimates
Median age38.6American Community Survey 2020-2024 5-Year Estimates
Households7,713American Community Survey 2020-2024 5-Year Estimates
Housing units9,160American 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
-33
263 births, 296 deaths
Net migration
-44
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 8 areas bordering Newton 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
Scott CountyMississippi24 mi28,073
Lauderdale CountyMississippi24 mi70,317
Jasper CountyMississippi24 mi15,785
Neshoba CountyMississippi24 mi28,732
Leake CountyMississippi0.3 mi21,662
Clarke CountyMississippia single point15,102
Kemper CountyMississippia single point8,600
Smith CountyMississippia single point13,991

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.