Alto Pass is located in Illinois. Alto Pass, Illinois has a population of 329. Alto Pass is less family-centric than the surrounding county with 20% households with children. The county percentage for households with children is 26%.
The median household income in Alto Pass, Illinois is $64,247. The median household income for the surrounding county is $53,438 compared to the national median of $66,222. The median age of people living in Alto Pass is 45.9 years.
The average high temperature in July is 89.5 degrees, with an average low temperature in January of 22.5 degrees. The annual precipitation is 48.3.