Real Estate in Fairfield Twp, NJFairfield Twp is located in New Jersey. Fairfield Twp, New Jersey has a population of12,201. The median household income in Fairfield Twp, New Jersey is $36,191. The median household income for the surrounding county is $50,193 compared to the national median of $57,525. The median age of people living in Fairfield Twp is 32.6 years. Fairfield Twp EnvironmentThe average high temperature in July is 85.7 degrees, with an average low temperature in January of 24.2 degrees. The annual precipitation is 44.87. Fairfield Twp MapFairfield Twp Real Estate officesReal Estate near Fairfield TwpNearby CitiesNearby Cities Homes for Sale |