West lafayette is located in Tippecanoe county Indiana with a geographic area of 13.6 square miles. The total population in West lafayette is 49,668 with 55.2% male and 44.8% female. Children under age 5 represent 2.5% of the population, under age 18 equal 9.8% of the population and over age 65 is 7.2% of the population. The median household income is $31,460, per capita income is $20,694. There are a total of 14,498 housing units with 34.6% owner occupied. Education includes 15.5% of residents that are high school graduates and 55.0% with a bachelor's degree or higher. The average temperature in West lafayette in the summer is 73 degrees, and in the winter 29 degrees.