Waterloo is located in Lauderdale county Alabama with a geographic area of 0.7 square miles. The total population in Waterloo is 137 with 52.6% male and 47.4% female. Children under age 5 represent 9.5% of the population, under age 18 equal 19.0% of the population and over age 65 is 32.8% of the population. The median household income is $37,813, per capita income is $24,112. There are a total of 71 housing units with 83.1% owner occupied. Education includes 35.2% of residents that are high school graduates and 15.5% with a bachelor's degree or higher. The average temperature in Waterloo in the summer is 77 degrees, and in the winter 43 degrees.
