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North Carolina ZIP Codes
Harnett County
Erwin, NC
28339
28339 ZIP Code — Erwin, NC
Harnett County, North Carolina
ZIP code 28339 is located in
Erwin ,
North Carolina ,
within Harnett County .
It covers approximately 35.59 square miles and serves a population of
6,508 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 910 .
About ZIP code 28339
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $135,400. Owner-occupancy sits near the national average at 73%.
Median household income is $48,958. SNAP benefit usage at 22% of households reflects economic stress in the area. 36% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.
College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (21%) compared to national benchmarks.
Overall, ZIP code 28339 reflects a community defined by a trades-oriented workforce, a significant Social Security-dependent population, and elevated reliance on food assistance.
28339 ZIP code map
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Cities in ZIP code 28339
Below are the cities the US Postal Service accepts for ZIP code 28339. Using any city not on this list may result in mail delivery delays.
City
Status
Erwin
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
6,508
Population density
183 / sq mi
State FIPS
37
County FIPS
085
Geography
Land area
35.59 sq mi
Water area
0.73 sq mi
Latitude
35.3270
Longitude
-78.7419
Timezone
Eastern (ET)
Area code
910
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
56.0%
47.5%
44.4%
$50k – $100k
31.2%
34.2%
30.6%
$100k – $200k
12.4%
15.4%
19.1%
Over $200k
0.4%
2.9%
6.0%
Demographics & statistics
$48,958
Median household income
$135,400
Median home value
10.5%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,335 20.5%
18 and over 5,173 79.5%
65 and over 1,340 20.6%
Median age 43.4 years
Race & ethnicity
Black or African American
24.1%
American Indian / Alaska Native
1.8%
Group Count %
White 4,134 59.3%
Black or African American 1,682 24.1%
Hispanic or Latino 464 6.7%
Other race 394 5.7%
Two or more races 133 1.9%
American Indian / Alaska Native 125 1.8%
Asian 40 0.6%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
56.0%
47.5%
44.4%
$50k – $100k
31.2%
34.2%
30.6%
$100k – $200k
12.4%
15.4%
19.1%
Over $200k
0.4%
2.9%
6.0%
Range % of households
Under $10k 10.3%
$10k–$15k 5.3%
$15k–$25k 10.3%
$25k–$35k 6.8%
$35k–$50k 19.1%
$50k–$75k 19.3%
$75k–$100k 11.0%
$100k–$150k 12.3%
$150k–$200k 2.9%
$200k+ 2.6%
Median income $48,958
Housing
Housing overview
Metric Value
Median home value $135,400
Median rent / month $948
Owner occupied 72.5%
Renter occupied 27.5%
Vacant 10.2%
Single-family detached 79.4%
Large apartment buildings 0.3%
Mobile homes 16.7%
Median rooms 5.5
Avg household size (owned) 2.43
Year built
Era %
2020 or later 0.2%
2010–2019 6.6%
2000–2009 11.3%
1990–1999 12.5%
1980–1989 10.2%
1970–1979 12.3%
1960–1969 10.4%
1950–1959 11.5%
1940–1949 8.4%
1939 or earlier 16.7%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 3.6%
2 bedrooms 21.5%
3 bedrooms 60.6%
4 bedrooms 12.7%
5+ bedrooms 1.5%
Vehicles per household
Vehicles % of households
No vehicle 6.4%
1 vehicle 27.4%
2 vehicles 37.7%
3 or more 28.5%
Heating fuel
Fuel type %
Utility gas 23.8%
Electricity 63.4%
Propane / LP gas 9.5%
Fuel oil 2.2%
Wood 0.4%
Solar 0.2%
No fuel used 0.5%
Households & families
Household type Count %
Married-couple family 1,077 41.3%
Cohabiting couple 154 5.9%
Male householder, no spouse 538 20.6%
Female householder, no spouse 840 32.2%
Households with children under 18 647 24.8%
Households with seniors (65+) 937 35.9%
Average household size 2.48
Marital status
Status Male Female
Never married 33.7% 31.7%
Married 45.2% 36.4%
Separated 3.3% 1.0%
Widowed 4.4% 13.3%
Divorced 13.3% 17.6%
Education
Some college, no degree
26.4%
Graduate / professional
3.3%
Metric %
HS diploma or higher 84.5%
Bachelor's or higher 10.5%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 33 2.6%
Kindergarten 104 8.2%
Elementary school 430 33.8%
High school 386 30.4%
College / grad school 318 25.0%
Employment
Industry of employment
Education & healthcare
19.6%
Arts, food & hospitality
8.7%
Public administration
7.5%
Professional & management
5.9%
Finance & real estate
2.8%
Transportation & utilities
2.7%
Agriculture & mining
0.9%
Occupation
Category %
Management, business & arts 21.7%
Service 22.9%
Sales & office 20.1%
Natural resources & construction 15.5%
Production & transportation 19.8%
Employment type
Type %
Private sector 73.7%
Government 17.6%
Self-employed 8.1%
Unpaid family workers 0.6%
Commute
Method %
Drive alone 88.0%
Carpool 7.9%
Public transit 0.2%
Walk 0.1%
Work from home 2.6%
Other means 1.2%
Avg commute (minutes) 31.2
Poverty
Married-couple families
5.4%
Female-led households
21.7%
Income support
Source % of households
Social Security 35.6%
Retirement income 24.5%
Supplemental Security 9.9%
Cash public assistance 0.9%
Food stamps / SNAP 22.0%
Health indicators
Condition %
Obesity 43.1%
High blood pressure 39.2%
High cholesterol 34.2%
Diabetes 13.3%
Heart disease 7.9%
Stroke 4.2%
Asthma 9.9%
Arthritis 29.7%
Kidney disease 3.7%
Pulmonary disease 8.6%
Cancer 7.0%
Behavior / access %
Smoking 21.3%
Binge drinking 14.0%
No physical activity 28.5%
Less than 7 hrs sleep 38.4%
Depression 23.2%
Fair or poor health 17.8%
Poor mental health 15.4%
Poor physical health 12.8%
No health insurance 20.2%
Visited doctor (checkup) 80.8%
Visited dentist 57.8%
Cholesterol screening 89.6%
Teeth loss 19.0%
Veterans & disability
Veterans Count %
Civilian veterans 481 9.3%
Disability %
Any disability 16.0%
Under 18 1.6%
18–64 years 13.3%
65 and over 38.0%
Health insurance coverage
Type %
Private insurance 53.5%
Public insurance 50.3%
No insurance 14.6%
Uninsured under 19 3.2%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 6,027 92.6%
Spanish 319 5.3%
Other Indo-European 319 5.3%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 5,994 92.1%
Born in same state 5,916 90.9%
Born in different state 4,814 74.0%
Foreign born 78 1.2%
Naturalized citizen 514 7.9%
Not a US citizen 180 35.0%
Ancestry
Ancestry Count %
French 646 9.9%
Italian 569 8.7%
Arab 568 8.7%
Ancestry Count %
Polish 22 0.3%
English 21 0.3%
German 7 0.1%
Technology access
Metric % of households
Computer access 40.1%
Internet access 92.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 28339
What city is ZIP code 28339 in?
ZIP code 28339 is primarily assigned to Erwin, North Carolina.
What county is ZIP code 28339 in?
ZIP code 28339 falls within Harnett County, North Carolina.
How educated is the population of ZIP code 28339?
11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the poverty rate in ZIP code 28339?
16% of residents in ZIP code 28339 live below the poverty line, above the national average.
Does ZIP code 28339 have a large retiree population?
36% of households in ZIP code 28339 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 28339?
The median home value in ZIP code 28339 is $135,400.
What timezone is ZIP code 28339 in?
ZIP code 28339 observes the EST timezone.
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