La Grange Park, IL Prices for Houses for Sale AVERAGE 429,510 -15% MEDIAN 398,450 -5% Relative Price (per sqft.) PRICE Listings of La Grange Park Homes for Purchase ACTIVE 12 -60% NEW 16 -50% Market Duration of Homes Sold DAYS 32 +45% Local Statistics Population 12,863 (-0.01%) House Size (sqft.) 1,434 (-22.51%)