Population of Zemst
Reference date: 2026-01-01
23,367
residents
The official population of Zemst was 23,367 residents on 1 January 2026, ranking 137th among Belgium's municipalities.
- Population density
- 540.5residents/km²
- Rank in Belgium
- 137thout of 565 municipalities
- Population change
- -2
- Reference date
- 2026-01-01
Official time series
Source: official Statbel data · Statbel
View the exact data table
| 2026 | 23,367 | 540.5 |
| 2025 | 23,369 | 540.6 |
| 2024 | 23,401 | 541.3 |
| 2023 | 23,357 | 540.3 |
| 2022 | 23,306 | 539.1 |
| 2021 | 23,314 | 539.3 |
| 2020 | 23,260 | 538.1 |
| 2019 | 23,358 | 540.3 |
| 2018 | 23,325 | 539.6 |
| 2017 | 23,240 | 537.1 |
| 2016 | 23,068 | 533.1 |
| 2015 | 22,778 | 526.4 |
| 2014 | 22,587 | 522.0 |
| 2013 | 22,437 | 518.5 |
| 2012 | 22,249 | 514.2 |
| 2011 | 21,960 | 507.5 |
| 2010 | 21,928 | 506.8 |
| 2009 | 21,837 | 504.7 |
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 | 4,600 | 19.7% |
|---|---|---|
| 18–24 | 1,797 | 7.7% |
| 25–44 | 5,177 | 22.2% |
| 45–64 | 6,520 | 27.9% |
| 65 and older | 5,273 | 22.6% |
Key figures
Use these population patterns in Horizon Mapper for catchment and location-opportunity analysis. Horizon Mapper