Waltham is located in Hancock county Maine with a geographic area of square miles. The total population in Waltham is 304 with 49.7% male and 50.3% female. Children under age 5 represent 3.9% of the population, under age 18 equal 15.1% of the population and over age 65 is 35.5% of the population. The median household income is $50,000, per capita income is $25,177. There are a total of 138 housing units with 80.4% owner occupied. Education includes 39.1% of residents that are high school graduates and 26.8% with a bachelor's degree or higher. The average temperature in Waltham in the summer is 68 degrees, and in the winter 25 degrees.
