High Quality Content by WIKIPEDIA articles! Castleford is one of the five towns within the metropolitan borough of the City of Wakefield, in West Yorkshire, England. It is near to Pontefract, and has a population of 37,525 according to the 2001 Census. To the north the River Calder joins the River Aire and the Aire and Calder Navigation canal. To the west and south is the M62 motorway.Historically a part of the West Riding of Yorkshire, Castleford and its surroundings have provided archaeological evidence of Roman activity.