Sea Isle City Real EstateSea Isle City is located in New Jersey. Sea Isle City, New Jersey has a population of 1,971. Sea Isle City is less family-centric than the surrounding county with 11.38% of the households containing married families with children. The county average for households married with children is 23.98%. The median household income in Sea Isle City, New Jersey is $72,153. The median household income for the surrounding county is $62,332 compared to the national median of $57,652. The median age of people living in Sea Isle City is 62.9 years. Sea Isle City WeatherThe average high temperature in July is 84.4 degrees, with an average low temperature in January of 22.1 degrees. The average rainfall is approximately 43.5 inches per year, with 9.2 inches of snow per year. Sea Isle City MapReal estate near Sea Isle CityNearby CitiesNearby Cities Homes for Sale |