Sea Isle City

County:: Cape May County
County Seat:: No
Area (mi²):: 2.204
State:: New Jersey

Sea Isle City is a city located in Cape May County, New Jersey. Sea Isle City has a 2025 population of 2,134. Sea Isle City is currently growing at a rate of 0.28% annually and its population has increased by 1.47% since the most recent census, which recorded a population of 2,103 in 2020.

The average household income in Sea Isle City is $160,510 with a poverty rate of 4.71%.The median age in Sea Isle City is 65.2 years: 65.6 years for males, and 64.9 years for females.

Demographics

The racial composition of Sea Isle City includes 96.73% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,011	96.73%
Two or more races	65	3.13%
Black or African American	3	0.14%

Sea Isle City Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sea Isle City's average per capita income is $65,000. Household income levels show a median of $98,860. The poverty rate stands at 4.71%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Families	$122,000	$199,648
Married Families	$121,892	-
Households	$98,860	$160,510
Non Families	$56,250	$85,343

$65,000

Average Income

$98,860

Median Household Income

4.71%

Poverty Rate