

Steenokkerzeel: population and statistics
Steenokkerzeel has a population of 12,737 (2026) across 23.6 km², or 539 people per km². It ranks 294 of 565 municipalities by population. Its population is growing: +6.8% between 2016 and 2026.
- 12,737 residents
- 23.6 km²
- 539 people/km²
- 23 m
Key points
Among the 63 municipalities in Flemish Brabant, Steenokkerzeel ranks No. 39 by population.
Largest business sector: Professional, scientific and technical, with 20.0% of the area's businesses.
A 1 kWp solar panel tilted at 39° generates about 1,077 kWh a year here.
Did you know?
- “Share of houses in the building stock”: higher than in 96% of municipalities.
- “Median disposable income (administrative)”: higher than in 90% of municipalities.
- Its area is roughly equal to 3,310 football pitches.
- The nearest municipality is Kampenhout, 3.8 km away.
- The nearest more populous municipality is Kortenberg (21,425 residents), 4.3 km away.
- A 4 kWp rooftop solar system here would generate about 4,308 kWh a year, roughly what an average household uses.
Steenokkerzeel in numbers
All indicators for Steenokkerzeel
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 | Steenokkerzeel | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants aged 65 and over (2026) | 21.0% | 20.8% | 21.7% | ranked 339 of 564 | |
| Share of inhabitants under 20 (2026) | 23.9% | 22.6% | 21.5% | ranked 66 of 564 |
Housing
| Indicator | Steenokkerzeel | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings built before 1946 (2024) | 18.2% | – | 34.6% | ranked 473 of 564 | |
| Buildings built after 2001 (2024) | 17.1% | – | 15.3% | ranked 204 of 564 | |
| Share of houses in the building stock (2024) | 86.4% | – | 79.9% | ranked 25 of 564 | |
| Number of dwellings (2024) | 5,173 | 542,504 | 5,783,434 | ranked 328 of 565 | |
| New dwellings authorised per year per 1,000 inhabitants (2021-2025) | 2.34 ‰ inh. | 4.02 ‰ inh. | 4.39 ‰ inh. | ranked 467 of 564 |
Energy
| Indicator | Steenokkerzeel | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Residential buildings with central heating or air conditioning (2024) | 85.4% | – | 76.7% | ranked 119 of 564 |
Economy
| Indicator | Steenokkerzeel | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| VAT-liable enterprises (2024) | 1,190 | 130,833 | 1,170,010 | ranked 316 of 565 | |
| VAT-liable enterprises per 1,000 inhabitants (2024) | 93.4 ‰ inh. | 108.1 ‰ inh. | 102.2 ‰ inh. | ranked 370 of 564 | |
| Net taxable income per inhabitant (2023) | 27,970 € | 26,927 € | 24,247 € | ranked 63 of 564 | |
| Median disposable income (administrative) (2023) | 33,284 € | – | 30,830 € | ranked 57 of 551 | |
| Median selling price of houses (2025) | 435,000 € | – | 302,500 € | ranked 59 of 554 |
Transport
| Indicator | Steenokkerzeel | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Cars per household (2025) | 1.38 | 1.20 | 1.25 | ranked 66 of 564 | |
| Households without a car (2025) | 15.4% | 21.3% | 17.6% | ranked 418 of 564 |
Society
| Indicator | Steenokkerzeel | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants of foreign nationality (2026) | 7.6% | 11.9% | 6.4% | ranked 223 of 564 | |
| Administrative poverty risk (2023) | 5.4% | 6.8% | 7.0% | ranked 411 of 551 |
Population of Steenokkerzeel over time
Steenokkerzeel had 11,924 residents in 2016 and 12,737 in 2026.
| Year | Population |
|---|---|
| 2021 | 12,372 |
| 2022 | 12,497 |
| 2023 | 12,614 |
| 2024 | 12,663 |
| 2025 | 12,727 |
| 2026 | 12,737 |
Where is Steenokkerzeel?
Business sectors: Steenokkerzeel
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Professional, scientific and technical20.0% ×1.0
- Wholesale and retail trade14.6% ×1.0
- Construction11.8% ×0.9
- Administrative and support services9.2% ×1.4
- Other service activities7.3% ×1.1
- Information and communication6.9% ×1.2
- Transport and storage6.2% ×2.5
- Accommodation and food services5.6% ×1.0
Sunshine and temperatures: Steenokkerzeel
Frequently asked questions
What is the population of Steenokkerzeel?
Steenokkerzeel has 12,737 residents (2026), ranking 294 of 565 municipalities.
How big is Steenokkerzeel?
Steenokkerzeel covers 23.6 km², with a density of 539 people per km².
Is the population of Steenokkerzeel growing?
Between 2016 and 2026, the population of Steenokkerzeel went from 11,924 to 12,737, a change of +6.8%.
Where is Steenokkerzeel?
Steenokkerzeel is in Flemish Brabant. It belongs to Halle-Vilvoorde (arrondissement). Latitude 50.919, longitude 4.508.
Share of houses in the building stock: what is the figure for Steenokkerzeel?
In Steenokkerzeel, “Share of houses in the building stock” stands at 86.4% (2024), ranking 25 of 564 municipalities; the national median is 79.9%.
Median disposable income (administrative): what is the figure for Steenokkerzeel?
In Steenokkerzeel, “Median disposable income (administrative)” stands at 33,284 € (2023), ranking 57 of 551 municipalities; the national median is 30,830 €.
How much electricity does a solar panel produce in Steenokkerzeel?
In Steenokkerzeel, a 1 kWp south-facing system tilted at 39° produces about 1,077 kWh a year.
Which municipalities border Steenokkerzeel?
The nearest to Steenokkerzeel are Kampenhout (3.8 km), Kortenberg (4.3 km), Zaventem (4.9 km), Machelen (5.1 km), Vilvoorde (6.0 km).
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