Hamilton Square Real EstateHamilton Square is located in New Jersey. Hamilton Square, New Jersey has a population of 12,877. Hamilton Square is less family-centric than the surrounding county with 32.02% of the households containing married families with children. The county average for households married with children is 33.48%. The median household income in Hamilton Square, New Jersey is $110,814. The median household income for the surrounding county is $77,027 compared to the national median of $57,652. The median age of people living in Hamilton Square is 44.6 years. Hamilton Square WeatherThe average high temperature in July is 85.5 degrees, with an average low temperature in January of 22.7 degrees. The average rainfall is approximately 48 inches per year, with 22.2 inches of snow per year. Hamilton Square MapReal estate near Hamilton SquareNearby CitiesNearby Cities Homes for Sale |