Alto Pass Real EstateAlto Pass is located in Illinois. Alto Pass, Illinois has a population of 297. Alto Pass is less family-centric than the surrounding county with 14.63% of the households containing married families with children. The county average for households married with children is 27.07%. The median household income in Alto Pass, Illinois is $33,500. The median household income for the surrounding county is $46,716 compared to the national median of $57,652. The median age of people living in Alto Pass is 47.6 years. Alto Pass WeatherThe average high temperature in July is 88.8 degrees, with an average low temperature in January of 23 degrees. The average rainfall is approximately 46.9 inches per year, with 11.5 inches of snow per year. Alto Pass MapReal estate near Alto PassNearby CitiesNearby Cities Homes for Sale |