Newton is located in Rockingham county New hampshire with a geographic area of square miles. The total population in Newton is 4,930 with 49.9% male and 50.1% female. Children under age 5 represent 3.4% of the population, under age 18 equal 17.6% of the population and over age 65 is 14.8% of the population. The median household income is $121,959, per capita income is $48,792. There are a total of 1,763 housing units with 86.6% owner occupied. Education includes 26.7% of residents that are high school graduates and 38.1% with a bachelor's degree or higher. The average temperature in Newton in the summer is 68 degrees, and in the winter 23 degrees.