Lewiston is located in Cache county Utah with a geographic area of 25.8 square miles. The total population in Lewiston is 2,091 with 50.8% male and 49.2% female. Children under age 5 represent 8.0% of the population, under age 18 equal 32.3% of the population and over age 65 is 12.2% of the population. The median household income is $64,034, per capita income is $25,535. There are a total of 680 housing units with 76.9% owner occupied. Education includes 33.8% of residents that are high school graduates and 24.9% with a bachelor's degree or higher. The average temperature in Lewiston in the summer is 66 degrees, and in the winter 30 degrees.