Deerfield, IL Prices for Houses for Sale AVERAGE 861,611 +17% MEDIAN 662,000 -5% Relative Price (per sqft.) PRICE Listings of Deerfield Homes for Purchase ACTIVE 63 -42% NEW 68 -26% Market Duration of Homes Sold DAYS 25 -13% Local Statistics Population 18,532 (-0.01%) House Size (sqft.) 2,967 (-0.64%)