West-Knollendam is a town in the northwest Netherlands. It is located in the municipality of Zaanstad, North Holland, about 15 km northwest of Amsterdam. The village is located along the Zaan river. On the opposite shore is Oostknollendam, in the municipality of Wormerland.In 2001, the town of West-Knollendam had 468 inhabitants. The built-up area of the town was 0.09 km², and contained 172 residences. The slightly larger statistical district "West-Knollendam" has a population of around 490.