Rio is located in Columbia county Wisconsin with a geographic area of 1.3 square miles. The total population in Rio is 1,049 with 52.5% male and 47.5% female. Children under age 5 represent 3.9% of the population, under age 18 equal 23.8% of the population and over age 65 is 14.5% of the population. The median household income is $59,135, per capita income is $35,016. There are a total of 481 housing units with 65.3% owner occupied. Education includes 41.2% of residents that are high school graduates and 17.3% with a bachelor's degree or higher. The average temperature in Rio in the summer is 66 degrees, and in the winter 17 degrees.
