Litchfield is located in Kennebec county Maine with a geographic area of square miles. The total population in Litchfield is 3,639 with 48.4% male and 51.6% female. Children under age 5 represent 3.8% of the population, under age 18 equal 16.0% of the population and over age 65 is 19.6% of the population. The median household income is $77,125, per capita income is $36,076. There are a total of 1,491 housing units with 90.8% owner occupied. Education includes 30.6% of residents that are high school graduates and 34.9% with a bachelor's degree or higher. The average temperature in Litchfield in the summer is 68 degrees, and in the winter 25 degrees.