Deckerville is located in Sanilac county Michigan with a geographic area of 1.2 square miles. The total population in Deckerville is 903 with 48.2% male and 51.8% female. Children under age 5 represent 5.4% of the population, under age 18 equal 19.2% of the population and over age 65 is 18.9% of the population. The median household income is $41,875, per capita income is $21,486. There are a total of 367 housing units with 60.8% owner occupied. Education includes 42.2% of residents that are high school graduates and 15.0% with a bachelor's degree or higher. The average temperature in Deckerville in the summer is 67 degrees, and in the winter 23 degrees.