Population of Kasterlee
Reference date: 2026-01-01
19,835
residents
The official population of Kasterlee was 19,835 residents on 1 January 2026, ranking 178th among Belgium's municipalities.
- Population density
- 274.5residents/km²
- Rank in Belgium
- 178thout of 565 municipalities
- Population change
- +33
- Reference date
- 2026-01-01
Official time series
Source: official Statbel data · Statbel
View the exact data table
| 2026 | 19,835 | 274.5 |
| 2025 | 19,802 | 274.0 |
| 2024 | 19,648 | 271.9 |
| 2023 | 19,478 | 269.5 |
| 2022 | 19,140 | 264.8 |
| 2021 | 19,052 | 263.6 |
| 2020 | 18,882 | 261.3 |
| 2019 | 18,655 | 258.1 |
| 2018 | 18,600 | 257.4 |
| 2017 | 18,501 | 256.2 |
| 2016 | 18,331 | 253.9 |
| 2015 | 18,052 | 250.0 |
| 2014 | 17,973 | 248.9 |
| 2013 | 17,965 | 248.8 |
| 2012 | 18,132 | 251.1 |
| 2011 | 18,137 | 251.2 |
| 2010 | 18,136 | 251.2 |
| 2009 | 18,058 | 250.1 |
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 | 3,559 | 17.9% |
|---|---|---|
| 18–24 | 1,390 | 7.0% |
| 25–44 | 4,525 | 22.8% |
| 45–64 | 5,478 | 27.6% |
| 65 and older | 4,883 | 24.6% |
Key figures
Use these population patterns in Horizon Mapper for catchment and location-opportunity analysis. Horizon Mapper