Saint-Pierre-de-l'Île-d'Orléans is located on the west side of Orléans Island, downstream from Quebec City, in the estuary of the St. Lawrence River.

In 1935, the Île d'Orléans Bridge was built, leading to a steady increase of residential development and making Saint-Pierre now the most populated municipality on the island.

Since they enter the island through Saint-Pierre, it is home to many businesses catering to tourism, such as bed-and-breakfast accommodations, restaurants, art galleries, and sugar houses.

[10] Local attractions include: Saint-Pierre-de-l'Île-d'Orléans forms part of the federal electoral district of Beauport—Côte-de-Beaupré—Île d'Orléans—Charlevoix and has been represented by Caroline Desbiens of the Bloc Québécois since 2019.

Provincially, Saint-Pierre-de-l'Île-d'Orléans is part of the Charlevoix–Côte-de-Beaupré electoral district and is represented by Kariane Bourassa of the Coalition Avenir Québec since 2022.