Sea Isle City Flag

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.

2.1K
Total Population
968
Density (mi²)
6 0.28%
Growth

Sea Isle City Population

Sea Isle City Population

Data after 2023 is projected based on recent change

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)
White2,01196.73%
Two or more races653.13%
Black or African American30.14%

Sea Isle City Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)