New Lenox, IL Prices for Houses for Sale AVERAGE 429,707 -12% MEDIAN 427,900 +11% Relative Price (per sqft.) PRICE Listings of New Lenox Homes for Purchase ACTIVE 57 +19% NEW 68 -6% Market Duration of Homes Sold DAYS 38 +29% Local Statistics Population 27,088 (0.01%) House Size (sqft.) 2,200 (-7.41%)