Above, you will see a summary of real estate in Columbia, IL. On average, homes in Columbia, IL cost $198,100, a value that is 13% higher than the average in Illinois. In general terms, this results in Columbia, IL real estate being less affordable than Illinois real estate. On average, people who rent houses in Columbia, IL pay $785; this value is 15% lower than the average amount renters pay in Illinois. 81.7% of Columbia, IL residents own their own homes and, on average, each of the homes has 2.3 occupants. Columbia, 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 Columbia, 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.