Warren is located in Marshall county Minnesota with a geographic area of 1.5 square miles. The total population in Warren is 1,601 with 47.9% male and 52.1% female. Children under age 5 represent 5.7% of the population, under age 18 equal 21.8% of the population and over age 65 is 23.3% of the population. The median household income is $53,158, per capita income is $28,801. There are a total of 726 housing units with 68.0% owner occupied. Education includes 35.8% of residents that are high school graduates and 17.1% with a bachelor's degree or higher. The average temperature in Warren in the summer is 66 degrees, and in the winter 9 degrees.