Seaville Real EstateSeaville is located in New Jersey. Seaville, New Jersey has a population of 2,729. The median household income in Seaville, New Jersey is $81,698. 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 Seaville is 42.7 years. Seaville 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. Seaville MapReal estate near SeavilleNearby CitiesNearby Cities Homes for Sale |