Hammond is located in Tangipahoa county Louisiana with a geographic area of 14.0 square miles. The total population in Hammond is 20,557 with 48.4% male and 51.6% female. Children under age 5 represent 5.1% of the population, under age 18 equal 22.0% of the population and over age 65 is 12.7% of the population. The median household income is $31,250, per capita income is $20,648. There are a total of 6,806 housing units with 44.5% owner occupied. Education includes 26.9% of residents that are high school graduates and 27.5% with a bachelor's degree or higher. The average temperature in Hammond in the summer is 81 degrees, and in the winter 51 degrees.
