Population of Sint-Niklaas
Reference date: 2026-01-01
83,400
residents
The official population of Sint-Niklaas was 83,400 residents on 1 January 2026, ranking 19th among Belgium's municipalities.

- Population density
- 990.5residents/km²
- Rank in Belgium
- 19thout of 565 municipalities
- Population change
- +739
- Reference date
- 2026-01-01
Official time series
Source: official Statbel data · Statbel
View the exact data table
| 2026 | 83,400 | 990.5 |
| 2025 | 82,661 | 981.8 |
| 2024 | 81,863 | 972.3 |
| 2023 | 81,138 | 963.7 |
| 2022 | 80,167 | 952.1 |
| 2021 | 79,357 | 942.5 |
| 2020 | 78,531 | 932.7 |
| 2019 | 77,679 | 922.6 |
| 2018 | 76,756 | 913.5 |
| 2017 | 76,028 | 903.0 |
| 2016 | 75,208 | 893.2 |
| 2015 | 74,289 | 882.3 |
| 2014 | 73,716 | 875.5 |
| 2013 | 73,280 | 870.3 |
| 2012 | 72,883 | 865.6 |
| 2011 | 72,365 | 859.5 |
| 2010 | 71,806 | 852.8 |
| 2009 | 71,062 | 844.0 |
Population
Who lives here
A complete, non-overlapping view of the registered population by age, from the same reference-date record.View the exact data table
| Under 18 | 18,494 | 22.2% |
|---|---|---|
| 18–24 | 7,142 | 8.6% |
| 25–44 | 20,824 | 25.0% |
| 45–64 | 20,244 | 24.3% |
| 65 and older | 16,696 | 20.0% |
Key figures
Use these population patterns in Horizon Mapper for catchment and location-opportunity analysis. Horizon Mapper