Population of Kortenberg
Reference date: 2026-01-01
21,425
residents
The official population of Kortenberg was 21,425 residents on 1 January 2026, ranking 156th among Belgium's municipalities.

- Population density
- 617.4residents/km²
- Rank in Belgium
- 156thout of 565 municipalities
- Population change
- +39
- Reference date
- 2026-01-01
Official time series
Source: official Statbel data · Statbel
View the exact data table
| 2026 | 21,425 | 617.4 |
| 2025 | 21,386 | 616.3 |
| 2024 | 21,165 | 609.9 |
| 2023 | 20,920 | 602.8 |
| 2022 | 20,462 | 589.6 |
| 2021 | 20,425 | 588.6 |
| 2020 | 20,289 | 584.7 |
| 2019 | 20,279 | 584.4 |
| 2018 | 20,214 | 582.6 |
| 2017 | 19,979 | 573.9 |
| 2016 | 19,714 | 566.3 |
| 2015 | 19,647 | 564.4 |
| 2014 | 19,557 | 561.8 |
| 2013 | 19,386 | 556.9 |
| 2012 | 19,391 | 557.0 |
| 2011 | 19,131 | 549.5 |
| 2010 | 18,937 | 544.0 |
| 2009 | 18,795 | 539.9 |
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 | 4,467 | 20.9% |
|---|---|---|
| 18–24 | 1,794 | 8.4% |
| 25–44 | 4,951 | 23.1% |
| 45–64 | 5,783 | 27.0% |
| 65 and older | 4,430 | 20.7% |
Key figures
Use these population patterns in Horizon Mapper for catchment and location-opportunity analysis. Horizon Mapper