Palos Heights Homes for Sale are some of the finest among Chicago suburbs. Palos Heights is a municipality in Cook County, IL state. As the 2010 census the population was 12,515. According to the 2010 census, the city has a total area of 3.88 square miles of which 3.78 square miles is land and 0.10 square miles is water. The median income for a household in the city was around 69,907 dollars on the other hand median income for a family was 81,100 dollars. 37,188 dollars was median income for females where 61,786 dollars was median income for Males.