Population of Sint-Niklaas, Belgium as of July 2025. How many people live in Sint-Niklaas today?

The exact population of Sint-Niklaas as of July 2025 is estimated at 69,725 residents. Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Sint-Niklaas.

Check out more data on population in Belgium:

• Waregem
• Vilvoorde
• Herstal
• Lokeren
• Sint-Truiden
• Turnhout
• Beringen