County Maps US

Duplin County, North Carolina

A county in North Carolina, ranked 51 of 100 by population.

CountyFIPS 37061

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

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Population
51,571
+2,911 (+6.0%) since 2020
Land area
814.7
square miles. A further 0.7% of the total area is water
Population density
63.3
people per square mile, computed rather than published
County seat
Kenansville
Seat of county government.
Established
1750
275 years ago
Largest city
Wallace town
Population 3,570 for the whole place, which extends beyond this county.

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 Duplin 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 Duplin County, North Carolina 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 749 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 Duplin County ranks

Position among the 100 counties of North Carolina, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn North CarolinaNationally
Population51,57151st of 100991st of 3,144
Land area814.7 sq mi9th of 1001,038th of 3,144
Population density63.3 per sq mi75th of 1001,268th of 3,144
Median household income$55,14872nd of 1002,467th of 3,143

Full data for Duplin County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population51,571Vintage 2025 Population Estimates
Population in 202048,660Vintage 2025 Population Estimates
2020 estimates base?48,710Vintage 2025 Population Estimates
Land area814.7 sq mi2025 Gazetteer Files
Water area5.5 sq mi2025 Gazetteer Files
Total area820.2 sq mi2025 Gazetteer Files
Population density?63.3 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$55,148American Community Survey 2020-2024 5-Year Estimates
Median home value$137,400American Community Survey 2020-2024 5-Year Estimates
Median age40.7American Community Survey 2020-2024 5-Year Estimates
Households20,787American Community Survey 2020-2024 5-Year Estimates
Housing units23,861American 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
+43
709 births, 666 deaths
Net migration
+524
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 Duplin 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
Sampson CountyNorth Carolina37 mi61,504
Pender CountyNorth Carolina31 mi72,111
Wayne CountyNorth Carolina23 mi122,278
Onslow CountyNorth Carolina18 mi217,175
Lenoir CountyNorth Carolina15 mi55,837
Jones CountyNorth Carolina4.0 mi9,575

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

All 100 counties of North Carolina

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

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