Alvo is located in Cass county Nebraska with a geographic area of 0.1 square miles. The total population in Alvo is 124 with 46.0% male and 54.0% female. Children under age 5 represent 12.9% of the population, under age 18 equal 37.1% of the population and over age 65 is 11.3% of the population. The median household income is $39,375, per capita income is $20,471. There are a total of 45 housing units with 80.0% owner occupied. Education includes 33.3% of residents that are high school graduates and 20.0% with a bachelor's degree or higher. The average temperature in Alvo in the summer is 72 degrees, and in the winter 26 degrees.