Sint-Niklaas Population 2026
Sint-Niklaas has a population of 69,010, making it the #23 biggest city in 🇧🇪 Belgium, located in Flanders. Roughly 0.6% of Belgium's population lives here. It is about 15× smaller than Brussels, the country's biggest city.
Population (city proper)
69,010
Rank in Belgium
#23
Coordinates
51.17°N, 4.14°E
~21 m elevation · Europe/Brussels
Distance to capital (Brussels)
38 km
24 miles, straight line
Other big cities in Flanders
Cities near Sint-Niklaas
- Beveren45,179 people · ~9 km away
- Dendermonde45,673 people · ~15 km away
- Antwerp529,247 people · ~19 km away
- Borgerhout46,087 people · ~21 km away
- Merksem44,435 people · ~23 km away
- Deurne78,747 people · ~23 km away
FAQ
What is the population of Sint-Niklaas?
Sint-Niklaas has a population of 69,010 (city proper, latest official figure via GeoNames), making it the #23 biggest city in Belgium.
What region is Sint-Niklaas in?
Sint-Niklaas is located in Flanders, Belgium.
Is Sint-Niklaas the capital of Belgium?
No, the capital of Belgium is Brussels, about 38 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
← All biggest cities in Belgium · Belgium population by year