There are currently 9 properties with a median home value in Saint Charles, IA 50240 of $226,000. The median list price per square foot in Saint Charles, IA 50240 is $155. Of the total homes in Saint Charles, IA 50240 100% are for sale, 0% are for rent, and 78% are single family homes. Saint Charles, IA 50240 represents 0% of home addresses in the United States. Home values in Saint Charles, IA 50240 are Infinity% above the median home value in the United States. Interested in knowing how much your home in Saint Charles, IA 50240 is worth? The Homes.com Automated Valuation Model (AVM) provides an estimate of the home value of every on and off market property in the US.