08243 ZIP Code — Sea Isle City, NJ

Cape May County, New Jersey

ZIP code 08243 is located in Sea Isle City, New Jersey, within Cape May County. It covers approximately 2.20 square miles and serves a population of 2,047 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 609/640.

About ZIP code 08243

The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $903,100. Owner-occupancy is high at 93%, well above the national average.

The gap between median ($90,703) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 60% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average. Remote work is prevalent — 21% of workers work from home.

Educational attainment is high — 46% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 08243 reflects a community defined by high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

2,047

population

2.20

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

08243 ZIP code map

Cities in ZIP code 08243

Below are the cities the US Postal Service accepts for ZIP code 08243. Using any city not on this list may result in mail delivery delays.

City	Status
Sea Isle City	Acceptable
Sea Isle City	Preferred

Nearby ZIP codes

08230 Ocean View (3.9 mi) 08202 Avalon (4.7 mi) 08210 Cape May Court House (7.2 mi) 08223 Marmora (8 mi) 08247 Stone Harbor (8.3 mi) 08226 Ocean City (8.6 mi) 08270 Woodbine (10.4 mi) 08244 Somers Point (12.5 mi) 08242 Rio Grande (13.3 mi) 08260 Wildwood (13.6 mi) 08314 Delmont (14.5 mi) 08221 Linwood (14.8 mi)

Demographics updated 05/2026

Population
Total population	2,047
Population density	930 / sq mi
State FIPS	34
County FIPS	009

Geography
Land area	2.20 sq mi
Water area	1.97 sq mi
Latitude	39.1515
Longitude	-74.6934
Timezone	Eastern (ET)
Area code	609/640

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.4%	34.9%	30.2%
$50k – $100k	23.2%	31.1%	26.7%
$100k – $200k	24.6%	25.0%	28.3%
Over $200k	17.8%	9.0%	14.8%

Demographics & statistics

2,047

Population

930

People per sq mi

65.1

Median age

$90,703

Median household income

$71,268

Per capita income

$903,100

Median home value

$1,210

Median monthly rent

92.8%

Home ownership

5.5%

Poverty rate

5.8%

Unemployment

6,659

Housing units

45.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

100

120

55–59

122

145

60–64

147

272

65–74

277

186

75–84

189

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	85	4.2%
18 and over	1,962	95.8%
65 and over	1,028	50.2%
Median age	65.1 years

Race & ethnicity

White 94.8%

Two or more races 2.9%

Hispanic or Latino 2%

Black or African American 0.2%

Group	Count	%
White	1,981	94.8%
Two or more races	60	2.9%
Hispanic or Latino	42	2%
Black or African American	5	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.4%	34.9%	30.2%
$50k – $100k	23.2%	31.1%	26.7%
$100k – $200k	24.6%	25.0%	28.3%
Over $200k	17.8%	9.0%	14.8%

Under $10k 2.4%

$10k–$15k 1.1%

$15k–$25k 2.4%

$25k–$35k 4.5%

$35k–$50k 15.3%

$50k–$75k 15.4%

$75k–$100k 12.4%

$100k–$150k 17.4%

$150k–$200k 10.7%

$200k+ 18.4%

Range	% of households
Under $10k	2.4%
$10k–$15k	1.1%
$15k–$25k	2.4%
$25k–$35k	4.5%
$35k–$50k	15.3%
$50k–$75k	15.4%
$75k–$100k	12.4%
$100k–$150k	17.4%
$150k–$200k	10.7%
$200k+	18.4%
Median income	$90,703

Housing

Home values

Under $50k 0.5%

$50k–$100k 0.9%

$100k–$150k 0.4%

$200k–$300k 0.4%

$300k–$500k 7.5%

$500k–$1M 53.0%

$1M+ 37.5%

Housing overview

Metric	Value
Median home value	$903,100
Median rent / month	$1,210
Owner occupied	92.8%
Renter occupied	7.2%
Vacant	83.3%
Single-family detached	14.4%
Large apartment buildings	4.3%
Mobile homes	0.0%
Median rooms	6.7
Avg household size (owned)	1.79

Year built

Era	%
2020 or later	0.4%
2010–2019	11.4%
2000–2009	26.6%
1990–1999	11.7%
1980–1989	25.1%
1970–1979	11.9%
1960–1969	3.9%
1950–1959	3.2%
1940–1949	1.6%
1939 or earlier	4.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	0.9%
2 bedrooms	9.6%
3 bedrooms	23.3%
4 bedrooms	43.3%
5+ bedrooms	21.3%

Vehicles per household

Vehicles	% of households
No vehicle	5.6%
1 vehicle	44.2%
2 vehicles	38.5%
3 or more	11.7%

Heating fuel

Fuel type	%
Utility gas	78.0%
Electricity	19.7%
Propane / LP gas	0.6%
Fuel oil	1.1%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	683	60.6%
Cohabiting couple	38	3.4%
Male householder, no spouse	188	16.7%
Female householder, no spouse	218	19.3%
Households with children under 18	62	5.5%
Households with seniors (65+)	669	59.4%
Average household size	1.81

Marital status

Status	Male	Female
Never married	18.3%	6.3%
Married	69.6%	72.8%
Separated	0.4%	1.4%
Widowed	3.4%	11.0%
Divorced	8.3%	8.5%

Education

Less than 9th grade 0.2%

Some HS, no diploma 2.0%

HS graduate 23.8%

Some college, no degree 21.6%

Associate's degree 6.7%

Bachelor's degree 26.9%

Graduate / professional 18.7%

Metric	%
HS diploma or higher	97.8%
Bachelor's or higher	45.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	54	34.8%
High school	25	16.1%
College / grad school	76	49.0%

Employment

Industry of employment

Education & healthcare 22.2%

Professional & management 19.5%

Finance & real estate 15.3%

Arts, food & hospitality 10.0%

Construction 9.9%

Retail trade 7.3%

Information 3.6%

Wholesale trade 3.2%

Other services 3.1%

Manufacturing 2.5%

Public administration 2.5%

Transportation & utilities 0.6%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	45.3%
Service	11.8%
Sales & office	28.6%
Natural resources & construction	9.9%
Production & transportation	4.4%

Employment type

Type	%
Private sector	80.2%
Government	9.0%
Self-employed	10.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	70.0%
Carpool	3.2%
Public transit	1.5%
Walk	4.2%
Work from home	20.5%
Other means	0.6%
Avg commute (minutes)	24.5

Poverty

All people 5.5%

Under 18 years 4.7%

18 and over 5.6%

Married-couple families 3.8%

Female-led households 20.7%

Income support

Source	% of households
Social Security	59.9%
Retirement income	54.9%
Supplemental Security	3.0%
Cash public assistance	1.5%
Food stamps / SNAP	1.4%

Health indicators

Condition	%
Obesity	27.5%
High blood pressure	0.0%
High cholesterol	0.0%
Diabetes	11.2%
Heart disease	8.9%
Stroke	3.6%
Asthma	9.1%
Arthritis	30.3%
Kidney disease	3.5%
Pulmonary disease	7.5%
Cancer	10.3%

Behavior / access	%
Smoking	11.5%
Binge drinking	15.2%
No physical activity	19.2%
Less than 7 hrs sleep	27.9%
Depression	16.6%
Fair or poor health	12.2%
Poor mental health	11.4%
Poor physical health	9.7%
No health insurance	8.7%
Visited doctor (checkup)	81.1%
Visited dentist	72.6%
Cholesterol screening	0.0%
Teeth loss	8.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	144	7.3%

Disability	%
Any disability	12.8%
Under 18	0.0%
18–64 years	5.7%
65 and over	20.4%

Health insurance coverage

Type	%
Private insurance	81.6%
Public insurance	55.3%
No insurance	0.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,041	99.7%
Spanish	44	2.2%
Other Indo-European	29	1.4%
Asian & Pacific Islander	15	0.7%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,977	96.6%
Born in same state	1,971	96.3%
Born in different state	615	30.0%
Foreign born	6	0.3%
Naturalized citizen	70	3.4%
Not a US citizen	35	50.0%

Ancestry

Ancestry	Count	%
Italian	965	47.1%
French	187	9.1%
Arab	77	3.8%
Polish	24	1.2%

Ancestry	Count	%
Irish	11	0.5%
English	11	0.5%
German	6	0.3%
Dutch	4	0.2%

Technology access

Metric	% of households
Computer access	55.1%
Internet access	99.2%

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

Frequently asked questions about ZIP code 08243

What city is ZIP code 08243 in?

ZIP code 08243 is primarily assigned to Sea Isle City, New Jersey.

What county is ZIP code 08243 in?

ZIP code 08243 falls within Cape May County, New Jersey.

Does ZIP code 08243 have an older population?

50% of residents in ZIP code 08243 are 65 or older, above the national average of ~17%.

Does ZIP code 08243 have a large retiree population?

60% of households in ZIP code 08243 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 08243 mostly owner-occupied?

93% of occupied units in ZIP code 08243 are owner-occupied, well above the national average.

How educated is the population of ZIP code 08243?

46% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What timezone is ZIP code 08243 in?

ZIP code 08243 observes the EST timezone.