28521 ZIP Code — Chinquapin, NC

Duplin County, North Carolina

ZIP code 28521 is located in Chinquapin, North Carolina, within Duplin County. It covers approximately 41.37 square miles and serves a population of 1,632 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 910.

About ZIP code 28521

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $115,900. Owner-occupancy is high at 81%, well above the national average.

Median household income is $54,324. 35% 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 (24%) compared to national benchmarks.

Overall, ZIP code 28521 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

1,632

population

41.37

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

28521 ZIP code map

Cities in ZIP code 28521

Below are the cities the US Postal Service accepts for ZIP code 28521. Using any city not on this list may result in mail delivery delays.

City	Status
Chinquapin	Preferred

Nearby ZIP codes

28518 Beulaville (4.8 mi) 28574 Richlands (9.8 mi) 28466 Wallace (12.3 mi) 28454 Maple Hill (14.1 mi) 28572 Pink Hill (14.2 mi) 28540 Jacksonville (14.8 mi) 28349 Kenansville (15.3 mi) 28464 Teachey (16.5 mi) 28545 Mccutcheon Field (17.7 mi) 28508 Albertson (19.5 mi) 28453 Magnolia (19.7 mi) 28458 Rose Hill (19.9 mi)

Demographics updated 06/2026

Population
Total population	1,632
Population density	39 / sq mi
State FIPS	37
County FIPS	061

Geography
Land area	41.37 sq mi
Water area	0.10 sq mi
Latitude	34.8192
Longitude	-77.7349
Timezone	Eastern (ET)
Area code	910

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.1%	55.8%	44.4%
$50k – $100k	34.6%	29.5%	30.6%
$100k – $200k	13.3%	14.0%	19.1%
Over $200k	0.0%	0.7%	6.0%

Demographics & statistics

1,632

Population

People per sq mi

42.3

Median age

$54,324

Median household income

$25,089

Per capita income

$115,900

Median home value

$1,002

Median monthly rent

81.2%

Home ownership

14.0%

Poverty rate

5.0%

Unemployment

836

Housing units

11.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

100

20–24

25–34

35–44

118

45–54

114

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	300	18.4%
18 and over	1,332	81.6%
65 and over	338	20.7%
Median age	42.3 years

Race & ethnicity

White 84.2%

Black or African American 6%

Hispanic or Latino 4.9%

Other race 2.7%

Two or more races 2.2%

Group	Count	%
White	1,445	84.2%
Black or African American	103	6%
Hispanic or Latino	84	4.9%
Other race	46	2.7%
Two or more races	38	2.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.1%	55.8%	44.4%
$50k – $100k	34.6%	29.5%	30.6%
$100k – $200k	13.3%	14.0%	19.1%
Over $200k	0.0%	0.7%	6.0%

Under $10k 8.9%

$10k–$15k 1.0%

$15k–$25k 5.1%

$25k–$35k 8.6%

$35k–$50k 18.1%

$50k–$75k 32.8%

$75k–$100k 5.7%

$100k–$150k 16.3%

$150k–$200k 3.5%

Range	% of households
Under $10k	8.9%
$10k–$15k	1.0%
$15k–$25k	5.1%
$25k–$35k	8.6%
$35k–$50k	18.1%
$50k–$75k	32.8%
$75k–$100k	5.7%
$100k–$150k	16.3%
$150k–$200k	3.5%
Median income	$54,324

Housing

Home values

Under $50k 35.4%

$50k–$100k 12.2%

$100k–$150k 9.8%

$150k–$200k 20.2%

$200k–$300k 12.4%

$300k–$500k 5.1%

$500k–$1M 5.1%

Housing overview

Metric	Value
Median home value	$115,900
Median rent / month	$1,002
Owner occupied	81.2%
Renter occupied	18.8%
Vacant	27.0%
Single-family detached	78.4%
Large apartment buildings	0.0%
Mobile homes	21.6%
Median rooms	6.4
Avg household size (owned)	2.21

Year built

Era	%
2020 or later	0.0%
2010–2019	0.5%
2000–2009	25.8%
1990–1999	12.0%
1980–1989	7.6%
1970–1979	10.0%
1960–1969	9.2%
1950–1959	14.6%
1940–1949	5.1%
1939 or earlier	15.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	22.0%
3 bedrooms	62.0%
4 bedrooms	14.7%
5+ bedrooms	1.3%

Vehicles per household

Vehicles	% of households
No vehicle	0.8%
1 vehicle	19.9%
2 vehicles	39.0%
3 or more	40.2%

Heating fuel

Fuel type	%
Utility gas	2.1%
Electricity	66.2%
Propane / LP gas	30.3%
Fuel oil	1.4%

Households & families

Household type	Count	%
Married-couple family	393	55.6%
Cohabiting couple	0	0.0%
Male householder, no spouse	185	26.2%
Female householder, no spouse	129	18.2%
Households with children under 18	222	31.4%
Households with seniors (65+)	219	31.0%
Average household size	2.29

Marital status

Status	Male	Female
Never married	25.1%	14.5%
Married	53.3%	64.6%
Separated	12.1%	0.0%
Widowed	1.0%	14.4%
Divorced	8.5%	6.5%

Education

Less than 9th grade 3.0%

Some HS, no diploma 7.5%

HS graduate 36.3%

Some college, no degree 32.0%

Associate's degree 10.1%

Bachelor's degree 6.9%

Graduate / professional 4.2%

Metric	%
HS diploma or higher	89.5%
Bachelor's or higher	11.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	20	4.8%
Kindergarten	44	10.7%
Elementary school	110	26.6%
High school	94	22.8%
College / grad school	145	35.1%

Employment

Industry of employment

Education & healthcare 19.7%

Construction 19.5%

Manufacturing 15.5%

Finance & real estate 10.2%

Agriculture & mining 8.4%

Other services 6.9%

Arts, food & hospitality 5.6%

Professional & management 4.1%

Transportation & utilities 3.6%

Information 3.3%

Public administration 3.2%

Occupation

Category	%
Management, business & arts	18.3%
Service	40.0%
Sales & office	11.6%
Natural resources & construction	20.2%
Production & transportation	10.0%

Employment type

Type	%
Private sector	72.6%
Government	16.2%
Self-employed	11.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.4%
Carpool	11.5%
Public transit	0.0%
Walk	5.9%
Work from home	1.2%
Other means	0.0%
Avg commute (minutes)	31.0

Poverty

All people 14.0%

Under 18 years 22.3%

18 and over 12.1%

Married-couple families 15.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	34.8%
Retirement income	26.3%
Supplemental Security	3.7%
Cash public assistance	0.0%
Food stamps / SNAP	13.0%

Health indicators

Condition	%
Obesity	38.2%
High blood pressure	39.9%
High cholesterol	36.9%
Diabetes	13.8%
Heart disease	8.9%
Stroke	4.6%
Asthma	10.2%
Arthritis	30.6%
Kidney disease	3.9%
Pulmonary disease	10.4%
Cancer	7.1%

Behavior / access	%
Smoking	24.3%
Binge drinking	14.3%
No physical activity	28.7%
Less than 7 hrs sleep	33.2%
Depression	24.8%
Fair or poor health	20.0%
Poor mental health	16.2%
Poor physical health	14.2%
No health insurance	21.9%
Visited doctor (checkup)	78.1%
Visited dentist	56.2%
Cholesterol screening	88.4%
Teeth loss	21.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	92	6.9%

Disability	%
Any disability	18.9%
Under 18	7.7%
18–64 years	11.6%
65 and over	50.6%

Health insurance coverage

Type	%
Private insurance	59.7%
Public insurance	46.4%
No insurance	14.6%
Uninsured under 19	2.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,581	96.9%
Spanish	26	1.6%
Other Indo-European	26	1.6%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,619	99.2%
Born in same state	1,619	99.2%
Born in different state	1,311	80.3%
Foreign born	0	0.0%
Naturalized citizen	13	0.8%
Not a US citizen	6	46.2%

Ancestry

Ancestry	Count	%
French	277	17%
Arab	231	14.2%

Ancestry	Count	%
Italian	71	4.4%
English	21	1.3%

Technology access

Metric	% of households
Computer access	43.3%
Internet access	87.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 28521

What city is ZIP code 28521 in?

ZIP code 28521 is primarily assigned to Chinquapin, North Carolina.

What county is ZIP code 28521 in?

ZIP code 28521 falls within Duplin County, North Carolina.

How educated is the population of ZIP code 28521?

11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is ZIP code 28521 mostly owner-occupied?

81% of occupied units in ZIP code 28521 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 28521?

The median home value in ZIP code 28521 is $115,900.

What is the population of ZIP code 28521?

ZIP code 28521 has an estimated population of 1,632 residents, with a density of 39 people per square mile.

What timezone is ZIP code 28521 in?

ZIP code 28521 observes the EST timezone.