An in-ground swimming pool can be a beautiful addition to any backyard. If youre interested in having a pool installed you should consider all the expenses that can be associated with pool projects before making an investment in a pool. In this document we have taken a cost averaging methodology to give you an understanding of the costs related to a pool project. The total cost of a in-ground pool can vary from state to state and each installer will have different installation costs. This data is to be used as a basic guide for understanding the expenses involved with a pool install.