Markham, IL Prices for Houses for Sale AVERAGE 168,550 +39% MEDIAN 159,000 +39% Relative Price (per sqft.) PRICE Listings of Markham Homes for Purchase ACTIVE 25 +56% NEW 24 +100% Market Duration of Homes Sold DAYS 51 0% Local Statistics Population 12,165 (-0.01%) House Size (sqft.) 1,117 (2.29%)