Grimbergen: population and statistics
Grimbergen has a population of 40,491 (2026) across 38.7 km², or 1,047 people per km². It ranks 54 of 565 municipalities by population. Its population is growing: +10.2% between 2016 and 2026.
- 40,491 residents
- 38.7 km²
- 1,047 people/km²
- 30 m
Key points
Among the 63 municipalities in Flemish Brabant, Grimbergen ranks No. 5 by population.
Share of inhabitants under 20: 24.4% in Grimbergen, compared with an average of 22.6% in Flemish Brabant and 21.8% nationally.
Largest business sector: Construction, with 20.8% of the area's businesses.
A 1 kWp solar panel tilted at 40° generates about 1,066 kWh a year here.
Did you know?
- “VAT-liable enterprises”: higher than in 93% of municipalities.
- “Share of inhabitants under 20”: higher than in 91% of municipalities.
- Its area is roughly equal to 5,416 football pitches.
- Its population density is 2.7 times the national average.
- The nearest municipality is Vilvoorde, 2.9 km away.
- The nearest more populous municipality is Schaerbeek (129,278 residents), 7.4 km away.
- A 4 kWp rooftop solar system here would generate about 4,264 kWh a year, roughly what an average household uses.
Grimbergen in numbers
All indicators for Grimbergen
Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.
Population
| Indicator | Grimbergen | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants aged 65 and over (2026) | 19.3% | 20.8% | 21.7% | ranked 453 of 564 | |
| Share of inhabitants under 20 (2026) | 24.4% | 22.6% | 21.5% | ranked 49 of 564 |
Housing
| Indicator | Grimbergen | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings built before 1946 (2024) | 24.2% | – | 34.6% | ranked 384 of 564 | |
| Buildings built after 2001 (2024) | 11.6% | – | 15.3% | ranked 416 of 564 | |
| Share of houses in the building stock (2024) | 82.1% | – | 79.9% | ranked 164 of 564 | |
| Number of dwellings (2024) | 17,299 | 542,504 | 5,783,434 | ranked 67 of 565 | |
| New dwellings authorised per year per 1,000 inhabitants (2021-2025) | 2.72 ‰ inh. | 4.02 ‰ inh. | 4.39 ‰ inh. | ranked 435 of 564 |
Energy
| Indicator | Grimbergen | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Residential buildings with central heating or air conditioning (2024) | 86.4% | – | 76.7% | ranked 102 of 564 |
Economy
| Indicator | Grimbergen | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| VAT-liable enterprises (2024) | 4,574 | 130,833 | 1,170,010 | ranked 39 of 565 | |
| VAT-liable enterprises per 1,000 inhabitants (2024) | 113.0 ‰ inh. | 108.1 ‰ inh. | 102.2 ‰ inh. | ranked 183 of 564 | |
| Net taxable income per inhabitant (2023) | 26,507 € | 26,927 € | 24,247 € | ranked 129 of 564 | |
| Median disposable income (administrative) (2023) | 31,174 € | – | 30,830 € | ranked 249 of 551 | |
| Median selling price of houses (2025) | 445,000 € | – | 302,500 € | ranked 53 of 554 | |
| Median selling price of apartments (2025) | 270,000 € | – | 249,900 € | ranked 91 of 299 |
Transport
| Indicator | Grimbergen | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Cars per household (2025) | 1.20 | 1.20 | 1.25 | ranked 356 of 564 | |
| Households without a car (2025) | 21.2% | 21.3% | 17.6% | ranked 159 of 564 |
Society
| Indicator | Grimbergen | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants of foreign nationality (2026) | 13.7% | 11.9% | 6.4% | ranked 87 of 564 | |
| Administrative poverty risk (2023) | 8.2% | 6.8% | 7.0% | ranked 209 of 551 |
Population of Grimbergen over time
Grimbergen had 36,742 residents in 2016 and 40,491 in 2026.
| Year | Population |
|---|---|
| 2021 | 38,314 |
| 2022 | 38,539 |
| 2023 | 39,368 |
| 2024 | 39,860 |
| 2025 | 40,062 |
| 2026 | 40,491 |
Where is Grimbergen?
Business sectors: Grimbergen
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Construction20.8% ×1.5
- Professional, scientific and technical20.5% ×1.0
- Wholesale and retail trade13.8% ×0.9
- Administrative and support services7.9% ×1.2
- Information and communication6.2% ×1.1
- Other service activities5.1% ×0.8
- Transport and storage4.3% ×1.7
- Health and social work4.0% ×0.9
Sunshine and temperatures: Grimbergen
Frequently asked questions
What is the population of Grimbergen?
Grimbergen has 40,491 residents (2026), ranking 54 of 565 municipalities.
How big is Grimbergen?
Grimbergen covers 38.7 km², with a density of 1,047 people per km².
Is the population of Grimbergen growing?
Between 2016 and 2026, the population of Grimbergen went from 36,742 to 40,491, a change of +10.2%.
Where is Grimbergen?
Grimbergen is in Flemish Brabant. It belongs to Halle-Vilvoorde (arrondissement). Latitude 50.933, longitude 4.383.
VAT-liable enterprises: what is the figure for Grimbergen?
In Grimbergen, “VAT-liable enterprises” stands at 4,574 (2024), ranking 39 of 565 municipalities; the national median is 1,324.
Share of inhabitants under 20: what is the figure for Grimbergen?
In Grimbergen, “Share of inhabitants under 20” stands at 24.4% (2026), ranking 49 of 564 municipalities; the national median is 21.5%.
How much electricity does a solar panel produce in Grimbergen?
In Grimbergen, a 1 kWp south-facing system tilted at 40° produces about 1,066 kWh a year.
Which municipalities border Grimbergen?
The nearest to Grimbergen are Vilvoorde (2.9 km), Meise (3.5 km), Machelen (4.5 km), Wemmel (6.3 km), Evere (7.0 km).
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