Bath is located in Grafton county New hampshire with a geographic area of square miles. The total population in Bath is 997 with 54.5% male and 45.5% female. Children under age 5 represent 3.1% of the population, under age 18 equal 18.3% of the population and over age 65 is 25.3% of the population. The median household income is $60,357, per capita income is $33,425. There are a total of 404 housing units with 83.2% owner occupied. Education includes 40.3% of residents that are high school graduates and 30.0% with a bachelor's degree or higher. The average temperature in Bath in the summer is 68 degrees, and in the winter 23 degrees.