Marysville is located in Marshall county Kansas with a geographic area of 4.6 square miles. The total population in Marysville is 3,275 with 49.4% male and 50.6% female. Children under age 5 represent 7.0% of the population, under age 18 equal 26.2% of the population and over age 65 is 16.7% of the population. The median household income is $44,037, per capita income is $30,420. There are a total of 1,463 housing units with 66.2% owner occupied. Education includes 37.0% of residents that are high school graduates and 23.2% with a bachelor's degree or higher. The average temperature in Marysville in the summer is 75 degrees, and in the winter 32 degrees.