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 2026 population of 2,132. Sea Isle City is currently growing at a rate of 0.24% annually and its population has increased by 1.43% since the most recent census, which recorded a population of 2,102 in 2020.

The median household income in Sea Isle City is $108,359 with a poverty rate of 5.42%. The median age in Sea Isle City is 66.1 years: 66.6 years for males, and 65.3 years for females. For every 100 females there are 96.7 males.

2.1K
Total Population
967
Density (mi²)
5 0.24%
Growth

Sea Isle City Population

Sea Isle City Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,13250.24%
20252,12750.24%
20242,12210.05%
20232,121-14-0.66%
20222,13540.19%
20212,131291.38%
20202,10200%
20192,032-12-0.59%
20182,044-16-0.78%
20172,060-11-0.53%
20162,071-6-0.29%
20152,077-9-0.43%
20142,086-7-0.33%
20132,093-21-0.99%
20122,11440.19%
20112,110-4-0.19%
20102,12160.28%

Median Age

Overall: 66.1 years
Female: 65.3 years
Male: 66.6 years

Sea Isle City Adults

There are 1,876 adults, (1,053 of whom are seniors) in Sea Isle City.

Sex Ratio

Female: 1,017 (50.8%)
Male: 983 (49.1%)

Demographics

The racial composition of Sea Isle City includes 96.45% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,92996.45%
Two or more races693.45%
Black or African American20.1%
Race
Population ↓
Percentage (of total)
Two or more races351.75%
Race
Population ↓
Percentage (of total)
White1,92996.45%
Two or more races341.7%
Black or African American20.1%

Sea Isle City Marital Status

Economics and Income Statistics

Sea Isle City 's average per capita income is $78,454. Household income levels show a median of $108,359. The poverty rate stands at 5.42%.

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
Married Families$125,938-
Families$124,896$208,564
Households$108,359$164,172
Non Families$58,846$81,717

$78,454

Average Income

$108,359

Median Household Income

5.42%

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)