Tustin is located in Osceola county Michigan with a geographic area of 0.4 square miles. The total population in Tustin is 191 with 49.7% male and 50.3% female. Children under age 5 represent 12.6% of the population, under age 18 equal 27.7% of the population and over age 65 is 11.5% of the population. The median household income is $53,958, per capita income is $19,920. There are a total of 69 housing units with 79.7% owner occupied. Education includes 27.5% of residents that are high school graduates and 11.6% with a bachelor's degree or higher. The average temperature in Tustin in the summer is 67 degrees, and in the winter 23 degrees.