Sparta Real EstateSparta is located in New Jersey. Sparta, New Jersey has a population of 19,621. Sparta is more family-centric than the surrounding county with 41.87% of the households containing married families with children. The county average for households married with children is 31.29%. The median household income in Sparta, New Jersey is $145,000. The median household income for the surrounding county is $101,645 compared to the national median of $69,021. The median age of people living in Sparta is 42.4 years. Sparta WeatherThe average high temperature in July is 83.4 degrees, with an average low temperature in January of 17.4 degrees. The average rainfall is approximately 51.5 inches per year, with 33.4 inches of snow per year. Sparta MapReal estate near SpartaNearby CitiesNearby Cities Homes for Sale |