Lowell is located in Lake county Indiana with a geographic area of 6.5 square miles. The total population in Lowell is 9,793 with 48.7% male and 51.3% female. Children under age 5 represent 8.6% of the population, under age 18 equal 28.2% of the population and over age 65 is 21.1% of the population. The median household income is $68,506, per capita income is $29,712. There are a total of 3,616 housing units with 86.3% owner occupied. Education includes 33.8% of residents that are high school graduates and 24.8% with a bachelor's degree or higher. The average temperature in Lowell in the summer is 73 degrees, and in the winter 29 degrees.