Lewiston is located in Niagara county New york with a geographic area of 1.1 square miles. The total population in Lewiston is 2,582 with 46.1% male and 53.9% female. Children under age 5 represent 2.1% of the population, under age 18 equal 14.8% of the population and over age 65 is 27.6% of the population. The median household income is $55,781, per capita income is $42,503. There are a total of 1,307 housing units with 62.1% owner occupied. Education includes 18.3% of residents that are high school graduates and 48.4% with a bachelor's degree or higher. The average temperature in Lewiston in the summer is 70 degrees, and in the winter 27 degrees.