Colebrook is located in Coos county New hampshire with a geographic area of 2.6 square miles. The total population in Colebrook is 1,037 with 50.6% male and 49.4% female. Children under age 5 represent 3.3% of the population, under age 18 equal 8.3% of the population and over age 65 is 25.3% of the population. The median household income is $44,489, per capita income is $30,231. There are a total of 559 housing units with 58.7% owner occupied. Education includes 30.2% of residents that are high school graduates and 12.0% with a bachelor's degree or higher. The average temperature in Colebrook in the summer is 68 degrees, and in the winter 23 degrees.