Lockport is located in Niagara county New york with a geographic area of 8.4 square miles. The total population in Lockport is 20,420 with 49.6% male and 50.4% female. Children under age 5 represent 5.5% of the population, under age 18 equal 23.0% of the population and over age 65 is 15.6% of the population. The median household income is $46,706, per capita income is $27,354. There are a total of 9,113 housing units with 55.5% owner occupied. Education includes 28.3% of residents that are high school graduates and 26.1% with a bachelor's degree or higher. The average temperature in Lockport in the summer is 69 degrees, and in the winter 27 degrees.