Marshall is located in Saline county Missouri with a geographic area of 10.1 square miles. The total population in Marshall is 12,920 with 48.3% male and 51.7% female. Children under age 5 represent 6.2% of the population, under age 18 equal 22.6% of the population and over age 65 is 15.8% of the population. The median household income is $44,076, per capita income is $21,277. There are a total of 4,373 housing units with 64.4% owner occupied. Education includes 31.8% of residents that are high school graduates and 25.7% with a bachelor's degree or higher. The average temperature in Marshall in the summer is 75 degrees, and in the winter 32 degrees.
