Brookfield is located in Carroll county New hampshire with a geographic area of square miles. The total population in Brookfield is 706 with 50.1% male and 49.9% female. Children under age 5 represent 1.1% of the population, under age 18 equal 14.3% of the population and over age 65 is 18.3% of the population. The median household income is $91,071, per capita income is $39,295. There are a total of 274 housing units with 97.4% owner occupied. Education includes 23.7% of residents that are high school graduates and 49.6% with a bachelor's degree or higher. The average temperature in Brookfield in the summer is 68 degrees, and in the winter 23 degrees.