From a total population of 96,286, Sea Isle City has a median age of 48. The average age of males, in Sea Isle City, is 45.8 while the average age of females is 49.6. When you compare this to median age of New Jersey, Sea Isle City is 8.7 years older.
The median income of individuals, in Sea Isle City, is $33,499 while the average household income is $57,394. When comparing the median income of people living in Sea Isle City to the rest of New Jersey, the average income in Sea Isle City is $2,860 less.