Effingham is located in Carroll county New hampshire with a geographic area of square miles. The total population in Effingham is 1,647 with 44.1% male and 55.9% female. Children under age 5 represent 7.4% of the population, under age 18 equal 21.9% of the population and over age 65 is 17.5% of the population. The median household income is $76,953, per capita income is $31,966. There are a total of 583 housing units with 80.8% owner occupied. Education includes 40.8% of residents that are high school graduates and 25.2% with a bachelor's degree or higher. The average temperature in Effingham in the summer is 68 degrees, and in the winter 23 degrees.
