Holt is located in Ingham county Michigan with a geographic area of 15.7 square miles. The total population in Holt is 25,888 with 48.6% male and 51.4% female. Children under age 5 represent 5.6% of the population, under age 18 equal 23.4% of the population and over age 65 is 15.8% of the population. The median household income is $70,851, per capita income is $35,575. There are a total of 10,528 housing units with 68.0% owner occupied. Education includes 18.0% of residents that are high school graduates and 42.8% with a bachelor's degree or higher. The average temperature in Holt in the summer is 67 degrees, and in the winter 23 degrees.