Niles, IL Prices for Houses for Sale AVERAGE 349,120 -5% MEDIAN 326,950 -7% Relative Price (per sqft.) PRICE Listings of Niles Homes for Purchase ACTIVE 34 -41% NEW 40 -38% Market Duration of Homes Sold DAYS 31 +24% Local Statistics Population 28,615 (-0.01%) House Size (sqft.) 1,296 (-16.09%)