Duplin County GIS Maps

Duplin County Maps

The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.

County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.

Duplin County Parcels

Duplin County has 41,293 mapped parcels covering 512,437 acres. The median assessed value is $54,200. The median lot size is 1.11 acres. 8,129 parcels are 10 acres or larger. The records carry 26,760 distinct owner names. Owner names, mailing addresses, site addresses, assessed values and lot sizes are on nearly every parcel. Browse the interactive Duplin County Parcel viewer here.

Duplin County Parcel Data Coverage

Field coverage measured across all Duplin County parcel records. Download free sample data here.

Duplin County Population

Duplin County had 48,715 residents in 2020. That was 16.7% lower than in 2010. Duplin County had 348 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 60 people per square mile. Some of the county's most populated postal areas include Mount Olive, Wallace and Beulaville.

Population Trend in Duplin County NC

Duplin County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Duplin County Zip Codes

Duplin County has 12 zip codes. Some of the county's most populated zip codes include Mount Olive (28365), Wallace (28466) and Beulaville (28518). Mount Olive is the largest zip by population, with about 14,653 residents or 30% of the county total. Together, the three largest zips account for about 64% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Duplin County NC

Duplin County Zip Code populations and trends per most recent census data.

Duplin County Demographics

Duplin County has a median age of 40.7, which makes the county a little older than North Carolina overall. About 23.7% of residents are under 18, while 19.7% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 28.1% of the population, which points to a solid working-age base. About 17.5% of adults have a bachelor's degree or higher, above the statewide figure of 34.7%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.

Key Demographics for Duplin County NC

Duplin County School Districts

Duplin County is served by 1 public school district with 9,822 students enrolled in 2024. Several larger districts account for a substantial share of students across the county map area. Those three districts account for about 100% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.

Largest School Districts by Enrollment in Duplin County NC

Duplin County school district enrollment and trends per most recent NCES reporting data.

Duplin County Housing & Real Estate

Duplin County has a median home value of $123,200 and a median gross rent of $815. About 70% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the North Carolina median, while rents come in below the state average. In March 2026, the median listing price was $332,450 and homes spent about 68 days on the market.

Businesses in Duplin County, NC

Duplin County has 1,932 business listings across 381 categories. The largest categories in Duplin County business listings are Churches & Religious Organizations (141, 7.3%), Baptist Church (59, 3.1%), and Beauty Salons (39, 2.0%). The full Duplin County business listings dataset includes names, categories, addresses and contact details where available. Duplin County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Duplin County, NC

Duplin County Business Listings

Duplin County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Duplin County Basemaps

Duplin County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from North Carolina — explore the full structure before you buy.