28577 ZIP Code — Sealevel, NC

Carteret County, North Carolina

ZIP code 28577 is located in Sealevel, North Carolina, within Carteret County. It covers approximately 16.93 square miles and serves a population of 349 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 252.

About ZIP code 28577

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 $274,000. Owner-occupancy sits near the national average at 73%.

Median household income is $70,938. The poverty rate of 5% is below the national average. 43% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with retail trade as the leading industry. The average commute of 24 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of diabetes (16%) compared to national benchmarks.

349

population

16.93

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

28577 ZIP code map

Cities in ZIP code 28577

Below are the cities the US Postal Service accepts for ZIP code 28577. Using any city not on this list may result in mail delivery delays.

City	Status
Sealevel	Preferred

Nearby ZIP codes

28511 Atlantic (1.7 mi) 28581 Stacy (2.4 mi) 28520 Cedar Island (6.6 mi) 28524 Davis (8.2 mi) 28516 Beaufort (8.3 mi) 28579 Smyrna (9.6 mi) 28553 Marshallberg (13.2 mi) 28528 Gloucester (13.8 mi) 28531 Harkers Island (17.7 mi)

Demographics updated 05/2026

Population
Total population	349
Population density	21 / sq mi
State FIPS	37
County FIPS	031

Geography
Land area	16.93 sq mi
Water area	9.14 sq mi
Latitude	34.8871
Longitude	-76.3879
Timezone	Eastern (ET)
Area code	252

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	42.7%	44.5%	44.4%
$50k – $100k	51.2%	32.2%	30.6%
$100k – $200k	0.0%	18.6%	19.1%
Over $200k	6.1%	4.8%	6.0%

Demographics & statistics

349

Population

People per sq mi

58.1

Median age

$70,938

Median household income

$28,491

Per capita income

$274,000

Median home value

$1,077

Median monthly rent

73.3%

Home ownership

5.4%

Poverty rate

0.0%

Unemployment

191

Housing units

29.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	52	14.9%
18 and over	297	85.1%
65 and over	99	28.4%
Median age	58.1 years

Race & ethnicity

White 84.6%

Black or African American 10.7%

Hispanic or Latino 2%

Other race 2%

Two or more races 0.8%

Group	Count	%
White	301	84.6%
Black or African American	38	10.7%
Hispanic or Latino	7	2%
Other race	7	2%
Two or more races	3	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	42.7%	44.5%	44.4%
$50k – $100k	51.2%	32.2%	30.6%
$100k – $200k	0.0%	18.6%	19.1%
Over $200k	6.1%	4.8%	6.0%

Under $10k 3.8%

$15k–$25k 16.2%

$25k–$35k 18.1%

$35k–$50k 6.7%

$50k–$75k 7.6%

$75k–$100k 13.3%

$100k–$150k 16.2%

$200k+ 18.1%

Range	% of households
Under $10k	3.8%
$15k–$25k	16.2%
$25k–$35k	18.1%
$35k–$50k	6.7%
$50k–$75k	7.6%
$75k–$100k	13.3%
$100k–$150k	16.2%
$200k+	18.1%
Median income	$70,938

Housing

Home values

Under $50k 11.7%

$50k–$100k 5.2%

$100k–$150k 18.2%

$200k–$300k 31.2%

$300k–$500k 11.7%

$500k–$1M 22.1%

Housing overview

Metric	Value
Median home value	$274,000
Median rent / month	$1,077
Owner occupied	73.3%
Renter occupied	26.7%
Vacant	52.1%
Single-family detached	71.2%
Large apartment buildings	2.3%
Mobile homes	24.7%
Median rooms	5.7
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	0.0%
2010–2019	3.7%
2000–2009	51.6%
1990–1999	16.0%
1980–1989	7.8%
1970–1979	2.7%
1960–1969	3.7%
1950–1959	11.0%
1940–1949	0.0%
1939 or earlier	3.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	28.3%
3 bedrooms	54.3%
4 bedrooms	11.0%
5+ bedrooms	6.4%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	31.4%
2 vehicles	53.3%
3 or more	15.2%

Heating fuel

Fuel type	%
Electricity	78.1%
Propane / LP gas	21.9%

Households & families

Household type	Count	%
Married-couple family	60	57.1%
Cohabiting couple	13	12.4%
Male householder, no spouse	15	14.3%
Female householder, no spouse	17	16.2%
Households with children under 18	34	32.4%
Households with seniors (65+)	40	38.1%
Average household size	2.30

Marital status

Status	Male	Female
Never married	23.8%	24.6%
Married	50.0%	40.0%
Separated	4.9%	0.0%
Widowed	3.3%	16.6%
Divorced	18.0%	18.9%

Education

Less than 9th grade 5.8%

Some HS, no diploma 12.7%

HS graduate 20.9%

Some college, no degree 16.8%

Associate's degree 14.4%

Bachelor's degree 8.6%

Graduate / professional 20.9%

Metric	%
HS diploma or higher	81.5%
Bachelor's or higher	29.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	30	100.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Retail trade 28.7%

Professional & management 24.5%

Wholesale trade 18.1%

Education & healthcare 9.6%

Construction 6.4%

Finance & real estate 4.3%

Arts, food & hospitality 4.3%

Public administration 4.3%

Occupation

Category	%
Management, business & arts	46.8%
Service	4.3%
Sales & office	35.1%
Natural resources & construction	6.4%
Production & transportation	7.4%

Employment type

Type	%
Private sector	77.7%
Government	4.3%
Self-employed	16.0%
Unpaid family workers	2.1%

Commute

Method	%
Drive alone	65.6%
Carpool	27.8%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	6.7%
Avg commute (minutes)	24.0

Poverty

All people 5.4%

Under 18 years 0.0%

18 and over 6.8%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	42.9%
Retirement income	39.0%
Supplemental Security	22.9%
Cash public assistance	4.8%
Food stamps / SNAP	8.6%

Health indicators

Condition	%
Obesity	30.2%
High blood pressure	49.5%
High cholesterol	44.3%
Diabetes	16.3%
Heart disease	15.7%
Stroke	7.0%
Asthma	8.5%
Arthritis	42.8%
Kidney disease	5.9%
Pulmonary disease	13.0%
Cancer	13.1%

Behavior / access	%
Smoking	17.1%
Binge drinking	9.8%
No physical activity	31.8%
Less than 7 hrs sleep	29.2%
Depression	20.1%
Fair or poor health	21.4%
Poor mental health	11.9%
Poor physical health	15.3%
No health insurance	18.5%
Visited doctor (checkup)	84.3%
Visited dentist	61.1%
Cholesterol screening	93.2%
Teeth loss	21.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	29	9.8%

Disability	%
Any disability	15.7%
Under 18	30.8%
18–64 years	3.7%
65 and over	31.5%

Health insurance coverage

Type	%
Private insurance	85.1%
Public insurance	36.4%
No insurance	2.1%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	327	93.7%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	344	98.6%
Born in same state	340	97.4%
Born in different state	250	71.6%
Foreign born	4	1.1%
Naturalized citizen	5	1.4%
Not a US citizen	5	100.0%

Ancestry

Ancestry	Count	%
French	127	36.4%
Arab	44	12.6%

Ancestry	Count	%
Italian	17	4.9%

Technology access

Metric	% of households
Computer access	30.1%
Internet access	93.3%

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

Frequently asked questions about ZIP code 28577

What city is ZIP code 28577 in?

ZIP code 28577 is primarily assigned to Sealevel, North Carolina.

What county is ZIP code 28577 in?

ZIP code 28577 falls within Carteret County, North Carolina.

Does ZIP code 28577 have an older population?

28% of residents in ZIP code 28577 are 65 or older, above the national average of ~17%.

Does ZIP code 28577 have a large retiree population?

43% of households in ZIP code 28577 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 28577 have a large veteran population?

10% of civilians in ZIP code 28577 are veterans, above the national average of ~7%.

What is the population of ZIP code 28577?

ZIP code 28577 has an estimated population of 349 residents, with a density of 21 people per square mile.

What timezone is ZIP code 28577 in?

ZIP code 28577 observes the EST timezone.