Montello is located in Marquette county Wisconsin with a geographic area of 2.0 square miles. The total population in Montello is 1,439 with 48.6% male and 51.4% female. Children under age 5 represent 3.8% of the population, under age 18 equal 18.2% of the population and over age 65 is 29.7% of the population. The median household income is $43,036, per capita income is $24,873. There are a total of 633 housing units with 63.3% owner occupied. Education includes 34.3% of residents that are high school graduates and 16.4% with a bachelor's degree or higher. The average temperature in Montello in the summer is 69 degrees, and in the winter 17 degrees.