Sea Isle City is a city located in Cape May County, New Jersey. Sea Isle City has a 2025 population of 2,127 . Sea Isle City is currently growing at a rate of 0.24% annually and its population has increased by 1.19% since the most recent census, which recorded a population of 2,102 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. For every 100 females there are 100.1 males.
Data after 2023 is projected based on recent change
The racial composition of Sea Isle City includes 96.73% White, and smaller percentages for Black or African American and multiracial populations.
White (96.73%)
Two or more races (3.13%)
Black or African American (0.14%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,011 | 96.73% |
| Two or more races | 65 | 3.13% |
| Black or African American | 3 | 0.14% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Families | $122,000 | $199,648 |
| Married Families | $121,892 | - |
| Households | $98,860 | $160,510 |
| Non Families | $56,250 | $85,343 |
Average Income
Median Household Income
Poverty Rate