Troy is located in Cheshire county New hampshire with a geographic area of 1.3 square miles. The total population in Troy is 857 with 54.3% male and 45.7% female. Children under age 5 represent 5.5% of the population, under age 18 equal 18.1% of the population and over age 65 is 11.3% of the population. The median household income is $55,859, per capita income is $33,367. There are a total of 353 housing units with 57.5% owner occupied. Education includes 45.9% of residents that are high school graduates and 27.2% with a bachelor's degree or higher. The average temperature in Troy in the summer is 68 degrees, and in the winter 23 degrees.