Odin is located in Marion county Illinois with a geographic area of 1.0 square miles. The total population in Odin is 999 with 46.4% male and 53.6% female. Children under age 5 represent 5.5% of the population, under age 18 equal 22.0% of the population and over age 65 is 31.3% of the population. The median household income is $36,113, per capita income is $21,537. There are a total of 405 housing units with 78.5% owner occupied. Education includes 36.5% of residents that are high school graduates and 6.4% with a bachelor's degree or higher. The average temperature in Odin in the summer is 74 degrees, and in the winter 27 degrees.