In 2001, the small town centre of Zwaagdijk-West had 225 inhabitants. The built-up area of the town was 0.04 km², and contained 90 residences. Most of the population lives outside the centre, along the Zwaag dyke. The statistical district "Zwaagdijk-West", which covers the village and the surrounding countryside, has a population of around 530.
^Statistics Netherlands (CBS), Bevolkingskernen in Nederland 2001. Statistics are for the continuous built-up area.
^Statistics Netherlands (CBS), Statline: Kerncijfers wijken en buurten 2003-2005. As of 1 January 2005.