Portage is located in Porter county Indiana with a geographic area of 25.6 square miles. The total population in Portage is 36,524 with 47.4% male and 52.6% female. Children under age 5 represent 5.5% of the population, under age 18 equal 22.5% of the population and over age 65 is 14.6% of the population. The median household income is $59,731, per capita income is $27,674. There are a total of 14,386 housing units with 68.6% owner occupied. Education includes 40.0% of residents that are high school graduates and 17.5% with a bachelor's degree or higher. The average temperature in Portage in the summer is 72 degrees, and in the winter 29 degrees.