Nord's 15th constituency includes the large towns of Bailleul and Hazebrouck in the north west of the department.

The constituency swang between left and right from 1988 to 2017 having previously been dominated by the French Communist Party throughout the 1960s and 1970s.

Jean-Pierre Allossery of the PS gained the seat at the 2012 French legislative election from the conservative Union for a Popular Movement.

landslide win in the 2017 French legislative election, but the deputy, Jennifer de Temmerman, left the party and in May 2020, she was one of the 17 initial members of the short-lived Ecology Democracy Solidarity group in the National Assembly, but left shortly after to become part of the Liberties and Territories group.

[1] The seat was gained by Pierrick Berteloot of the far-right RN in the 2022 election.