Banbridge is a town in County Down, Northern Ireland. It lies on the River Bann and the A1 road and is named after a bridge built over the Bann in 1712. It is in the civil parish of Seapatrick and the historic barony of Iveagh Upper, Upper Half. The town began as a coaching stop on the road from Belfast to Dublin and thrived from Irish linen manufacturing. The town was home to the headquarters of the former Banbridge District Council. Following a reform of local government in Northern Ireland in 2015, Banbridge became part of Armagh City, Banbridge and Craigavon Borough Council. It had a population of 17,400 in the 2021 census.