Holly is located in Oakland county Michigan with a geographic area of 2.8 square miles. The total population in Holly is 6,151 with 48.2% male and 51.8% female. Children under age 5 represent 5.3% of the population, under age 18 equal 17.9% of the population and over age 65 is 16.5% of the population. The median household income is $51,985, per capita income is $32,316. There are a total of 2,854 housing units with 65.1% owner occupied. Education includes 24.7% of residents that are high school graduates and 23.2% with a bachelor's degree or higher. The average temperature in Holly in the summer is 67 degrees, and in the winter 23 degrees.
