Above, you will see a summary of real estate in Mount Prospect, IL. On average, homes in Mount Prospect, IL cost $296,500, a value that is 70% higher than the average in Illinois. In general terms, this results in Mount Prospect, IL real estate being less affordable than Illinois real estate. On average, people who rent houses in Mount Prospect, IL pay $981; this value is 6% higher than the average amount renters pay in Illinois. 69.3% of Mount Prospect, IL residents own their own homes and, on average, each of the homes has 2.7 occupants. Mount Prospect, IL real estate features a range of homes, which include everthing from large houses to small condos to stacked townhomes. Accessing real estate listings and homes that are up for sale in Mount Prospect, IL is easy because in our search area shown above, we categorize real estate and homes based on location, price, and the number of bedrooms and bathrooms.