Castlebridge is a small town in County Wexford, Ireland, around 5 km north of Wexford town. It is just north of Wexford Harbour, on the R741 road. Castlebridge is a rapidly expanding suburb of Wexford Town: its population has almost tripled in 20 years, increasing from 783 in 1996 to a population of 1,840 in 2016.