Kalkaska is located in Kalkaska county Michigan with a geographic area of 2.6 square miles. The total population in Kalkaska is 2,230 with 43.5% male and 56.5% female. Children under age 5 represent 4.9% of the population, under age 18 equal 21.1% of the population and over age 65 is 19.0% of the population. The median household income is $33,167, per capita income is $19,277. There are a total of 976 housing units with 53.9% owner occupied. Education includes 46.4% of residents that are high school graduates and 10.6% with a bachelor's degree or higher. The average temperature in Kalkaska in the summer is 67 degrees, and in the winter 23 degrees.