Population of Saint-Gilles
Reference date: 2026-01-01
48,756
residents
The official population of Saint-Gilles was 48,756 residents on 1 January 2026, ranking 35th among Belgium's municipalities.

- Population density
- 19,242.2residents/km²
- Rank in Belgium
- 35thout of 565 municipalities
- Population change
- -71
- Reference date
- 2026-01-01
Official time series
Source: official Statbel data · Statbel
View the exact data table
| 2026 | 48,756 | 19,242.2 |
| 2025 | 48,827 | 19,270.2 |
| 2024 | 49,293 | 19,454.1 |
| 2023 | 49,323 | 19,466.0 |
| 2022 | 48,837 | 19,274.2 |
| 2021 | 49,196 | 19,415.9 |
| 2020 | 49,678 | 19,659.1 |
| 2019 | 50,267 | 19,892.2 |
| 2018 | 50,002 | 19,787.3 |
| 2017 | 50,471 | 19,978.2 |
| 2016 | 50,659 | 20,052.6 |
| 2015 | 50,472 | 19,978.6 |
| 2014 | 50,460 | 19,973.8 |
| 2013 | 50,377 | 19,941.0 |
| 2012 | 49,492 | 19,590.7 |
| 2011 | 48,437 | 19,173.1 |
| 2010 | 46,981 | 18,596.7 |
| 2009 | 45,712 | 18,094.4 |
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 | 7,603 | 15.6% |
|---|---|---|
| 18–24 | 4,189 | 8.6% |
| 25–44 | 19,926 | 40.9% |
| 45–64 | 11,902 | 24.4% |
| 65 and older | 5,136 | 10.5% |
Key figures
Use these population patterns in Horizon Mapper for catchment and location-opportunity analysis. Horizon Mapper