Franklin Park, IL Prices for Houses for Sale AVERAGE 286,741 +6% MEDIAN 299,000 +8% Relative Price (per sqft.) PRICE Listings of Franklin Park Homes for Purchase ACTIVE 17 -6% NEW 16 -50% Market Duration of Homes Sold DAYS 40 +116% Local Statistics Population 17,402 (-0.01%) House Size (sqft.) 1,222 (1.41%)