There are currently 158 properties with a median home value in Mason City, IA 50401 of $116,800. The median list price per square foot in Mason City, IA 50401 is $81. Of the total homes in Mason City, IA 50401 88% are for sale, 12% are for rent, and 84% are single family homes. Mason City, IA 50401 represents 0% of home addresses in the United States. Home values in Mason City, IA 50401 are Infinity% above the median home value in the United States. Interested in knowing how much your home in Mason City, IA 50401 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.