Cornish is located in Sullivan county New hampshire with a geographic area of square miles. The total population in Cornish is 1,649 with 49.6% male and 50.4% female. Children under age 5 represent 4.3% of the population, under age 18 equal 15.7% of the population and over age 65 is 32.0% of the population. The median household income is $75,691, per capita income is $43,783. There are a total of 808 housing units with 94.8% owner occupied. Education includes 22.2% of residents that are high school graduates and 38.2% with a bachelor's degree or higher. The average temperature in Cornish in the summer is 68 degrees, and in the winter 23 degrees.
