Andalusia is located in Illinois. Andalusia, Illinois has a population of 1,124. Andalusia is less family-centric than the surrounding county with 22% households with children. The county percentage for households with children is 26%.
The median household income in Andalusia, Illinois is $68,442. The median household income for the surrounding county is $57,012 compared to the national median of $66,222. The median age of people living in Andalusia is 45.6 years.
The average high temperature in July is 85.23 degrees, with an average low temperature in January of 13.17 degrees. The annual precipitation is 35.48.