Portadown is a town in County Armagh, Northern Ireland. The town sits on the River Bann in the north of the county, about southwest of Belfast. It is in the Armagh City, Banbridge and Craigavon Borough Council area and had a population of about 22,000 at the 2011 Census. For some purposes, Portadown is treated as part of the "Craigavon Urban Area", alongside Craigavon and Lurgan.