What is the largest city in Duplin County, NC?

Wallace is the largest city or town in Duplin County, with about 3,457 residents.

How many ZIP codes are in Duplin County?

Duplin County includes 11 ZIP Code Tabulation Areas, including 28325, 28349, 28365, 28398, 28453.

What is the population of Duplin County, NC?

About 49,335 people live in Duplin County, based on American Community Survey 5-year estimates.

What counties border Duplin County?

Duplin County borders Onslow County, Wayne County, Pender County, Sampson County, Lenoir County, Jones County.

Duplin County, NC: Cities, ZIP Codes & Local Data

Population

49,335

Land area

815sq mi

People per sq mi

61

ZIP codes

11

Duplin County at a glance

Duplin County is 73% less dense than North Carolina as a whole.
Households here earn a median of $55,148 a year, 24% less than the North Carolina figure of $72,388.
A typical owner-occupied home is valued at $137,400 (52% below North Carolina) and median rent is $865 a month.
The biggest population centers are Wallace (3,457), Warsaw (2,746) and Rose Hill (1,309).

Local data for Duplin County, NC

Counts from official public data

Housing and community stats

Duplin County, NC, American Community Survey 2020-2024

Full profile

Median household income

$55,148

Poverty rate

20.5%

Median home value

$137,400

Prices +1.2% in a year

Median rent

$865/mo

Homeownership

70.3%

Bachelor's or higher

17.6%

Median age

40.7

Average commute

29.3 min

Largest reported origins and ancestries: Mexican Americans (5,515), Honduran Americans (3,053), Irish Americans (2,337).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

3.3%

Aug 2026, -0.4 pts in a year

Average annual pay

$47,638

19,630 jobs, 2025

Income per person

$58,319

BEA, 2024

Federal spending

$345M

FY 2026, $7,087 per person

PPP loans

$63.81M

1,469 loans, 8,902 jobs reported

Campaign donations

$122K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Duplin County, NC, workers 16 and older. American Community Survey 5-year estimates

Drove alone78.4%
Carpooled11.9%
Public transit0.0%
Walked1.2%
Bicycle0.1%
Taxi, ride-hailing, motorcycle or other1.8%
Worked from home6.7%

Average one-way commute: 29.3 minutes for people who do not work from home.

Environment and hazard risk

Duplin County, NC, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: hurricane

Storm events since 1996

508

Most often thunderstorm wind

Flood insurance policies

528

2.6% of homes, county

July high / Jan low

88° / 30°F

52.0 inches of rain a year

Hazards, floods and storm history Check a flood zone 10 historic places

Health statistics

Share of adults in Duplin County, NC, CDC PLACES estimates

All 40 measures

Obesity

39.4%

U.S. 33.3% +6.1 pts

Diabetes

15.5%

U.S. 12.1% +3.4 pts

Smoking

16.3%

U.S. 12.8% +3.5 pts

Uninsured (18-64)

15.8%

U.S. 11.1% +4.7 pts

Cities, towns and ZIP codes in Duplin County

Population shown

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Frequently asked questions

What is the largest city in Duplin County, NC?: Wallace is the largest city or town in Duplin County, with about 3,457 residents.
How many ZIP codes are in Duplin County?: Duplin County includes 11 ZIP Code Tabulation Areas, including 28325, 28349, 28365, 28398, 28453.
What is the population of Duplin County, NC?: About 49,335 people live in Duplin County, based on American Community Survey 5-year estimates.
What counties border Duplin County?: Duplin County borders Onslow County, Wayne County, Pender County, Sampson County, Lenoir County, Jones County.