Pontardawe is a town and a community in the lower Swansea Valley. it had a population of approximately 7,172 in the 2021 Census for Pont…Pontardawe is a town and a community in the lower Swansea Valley. it had a population of approximately 7,172 in the 2021 Census for Pontardawe Parish, and forms part of the county borough of Neath Port Talbot.