Fremont is located in Rockingham county New hampshire with a geographic area of square miles. The total population in Fremont is 4,709 with 49.0% male and 51.0% female. Children under age 5 represent 5.2% of the population, under age 18 equal 22.5% of the population and over age 65 is 15.3% of the population. The median household income is $111,793, per capita income is $40,897. There are a total of 1,686 housing units with 93.7% owner occupied. Education includes 23.0% of residents that are high school graduates and 32.9% with a bachelor's degree or higher. The average temperature in Fremont in the summer is 68 degrees, and in the winter 23 degrees.