Lyme is located in Grafton county New hampshire with a geographic area of square miles. The total population in Lyme is 1,713 with 48.0% male and 52.0% female. Children under age 5 represent 6.7% of the population, under age 18 equal 22.7% of the population and over age 65 is 26.0% of the population. The median household income is $128,000, per capita income is $71,383. There are a total of 650 housing units with 90.6% owner occupied. Education includes 12.2% of residents that are high school graduates and 76.0% with a bachelor's degree or higher. The average temperature in Lyme in the summer is 68 degrees, and in the winter 23 degrees.