Marshfield is located in Washington county Maine with a geographic area of square miles. The total population in Marshfield is 527 with 50.5% male and 49.5% female. Children under age 5 represent 9.7% of the population, under age 18 equal 30.6% of the population and over age 65 is 20.7% of the population. The median household income is $54,107, per capita income is $24,967. There are a total of 193 housing units with 88.6% owner occupied. Education includes 43.5% of residents that are high school graduates and 28.5% with a bachelor's degree or higher. The average temperature in Marshfield in the summer is 68 degrees, and in the winter 25 degrees.
