Starting in the mid-seventeenth century until 1700, many military expeditions arrived at this place in order to portage around the cascades on the Saint Lawrence River.

The first reference to Pointe-des-Cascades appeared in a text of Louis-Armand de Lahontan in 1684 and on a map of Deshayes in 1695, when Pointe des Cascades was included in the Vaudreuil Lordship.

[8] Pointe-des-Cascades forms part of the federal electoral district of Salaberry—Suroît and has been represented by Claude DeBellefeuille of the Bloc Québécois since 2019.

Provincially, Pointe-des-Cascades is part of the Soulanges electoral district and is represented by Marilyne Picard of the Coalition Avenir Québec since 2018.

List of former mayors:[14] Commission Scolaire des Trois-Lacs operates Francophone schools.