Wilton is located in Hillsborough county New hampshire with a geographic area of 2.1 square miles. The total population in Wilton is 1,203 with 61.3% male and 38.7% female. Children under age 5 represent 4.2% of the population, under age 18 equal 13.5% of the population and over age 65 is 8.0% of the population. The median household income is $52,969, per capita income is $38,608. There are a total of 656 housing units with 72.0% owner occupied. Education includes 39.6% of residents that are high school graduates and 18.0% with a bachelor's degree or higher. The average temperature in Wilton in the summer is 68 degrees, and in the winter 23 degrees.