Chester is located in Rockingham county New hampshire with a geographic area of square miles. The total population in Chester is 5,191 with 52.3% male and 47.7% female. Children under age 5 represent 4.7% of the population, under age 18 equal 20.3% of the population and over age 65 is 13.5% of the population. The median household income is $133,214, per capita income is $48,914. There are a total of 1,744 housing units with 99.2% owner occupied. Education includes 13.4% of residents that are high school graduates and 45.2% with a bachelor's degree or higher. The average temperature in Chester in the summer is 68 degrees, and in the winter 23 degrees.