Population of Lennik
Reference date: 2026-01-01
9,400
residents
The official population of Lennik was 9,400 residents on 1 January 2026, ranking 379th among Belgium's municipalities.
- Population density
- 302.0residents/km²
- Rank in Belgium
- 379thout of 565 municipalities
- Population change
- -81
- Reference date
- 2026-01-01
Official time series
Source: official Statbel data · Statbel
View the exact data table
| 2026 | 9,400 | 302.0 |
| 2025 | 9,481 | 304.6 |
| 2024 | 9,471 | 304.3 |
| 2023 | 9,431 | 303.0 |
| 2022 | 9,312 | 299.2 |
| 2021 | 9,190 | 295.3 |
| 2020 | 9,096 | 292.3 |
| 2019 | 9,074 | 291.5 |
| 2018 | 9,024 | 289.9 |
| 2017 | 9,033 | 290.1 |
| 2016 | 9,033 | 290.1 |
| 2015 | 8,963 | 287.8 |
| 2014 | 8,925 | 286.6 |
| 2013 | 8,879 | 285.1 |
| 2012 | 8,915 | 286.3 |
| 2011 | 8,872 | 284.9 |
| 2010 | 8,821 | 283.2 |
| 2009 | 8,812 | 283.0 |
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 | 1,778 | 18.9% |
|---|---|---|
| 18–24 | 691 | 7.4% |
| 25–44 | 2,004 | 21.3% |
| 45–64 | 2,615 | 27.8% |
| 65 and older | 2,312 | 24.6% |
Key figures
Use these population patterns in Horizon Mapper for catchment and location-opportunity analysis. Horizon Mapper