Opwijk: population and statistics
Opwijk has a population of 15,143 (2026) across 19.9 km², or 760 people per km². It ranks 244 of 565 municipalities by population. Its population is growing: +6.6% between 2016 and 2026.
- 15,143 residents
- 19.9 km²
- 760 people/km²
- 20 m
Key points
Among the 63 municipalities in Flemish Brabant, Opwijk ranks No. 32 by population.
Largest business sector: Professional, scientific and technical, with 19.1% of the area's businesses.
A 1 kWp solar panel tilted at 39° generates about 1,081 kWh a year here.
Did you know?
- Number 1 in Flemish Brabant for “Buildings built after 2001”.
- “Buildings built after 2001”: higher than in 95% of municipalities.
- Its area is roughly equal to 2,790 football pitches.
- The nearest municipality is Merchtem, 3.5 km away.
- The nearest more populous municipality is Asse (36,018 residents), 7.5 km away.
- A 4 kWp rooftop solar system here would generate about 4,324 kWh a year, roughly what an average household uses.
Opwijk in numbers
All indicators for Opwijk
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 | Opwijk | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants aged 65 and over (2026) | 20.7% | 20.8% | 21.7% | ranked 361 of 564 | |
| Share of inhabitants under 20 (2026) | 23.6% | 22.6% | 21.5% | ranked 75 of 564 |
Housing
| Indicator | Opwijk | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings built before 1946 (2024) | 21.4% | – | 34.6% | ranked 433 of 564 | |
| Buildings built after 2001 (2024) | 22.3% | – | 15.3% | ranked 28 of 564 | |
| Share of houses in the building stock (2024) | 79.9% | – | 79.9% | ranked 278 of 564 | |
| Number of dwellings (2024) | 6,495 | 542,504 | 5,783,434 | ranked 268 of 565 | |
| New dwellings authorised per year per 1,000 inhabitants (2021-2025) | 4.94 ‰ inh. | 4.02 ‰ inh. | 4.39 ‰ inh. | ranked 223 of 564 |
Energy
| Indicator | Opwijk | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Residential buildings with central heating or air conditioning (2024) | 87.9% | – | 76.7% | ranked 74 of 564 |
Economy
| Indicator | Opwijk | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| VAT-liable enterprises (2024) | 1,515 | 130,833 | 1,170,010 | ranked 243 of 565 | |
| VAT-liable enterprises per 1,000 inhabitants (2024) | 100.0 ‰ inh. | 108.1 ‰ inh. | 102.2 ‰ inh. | ranked 309 of 564 | |
| Net taxable income per inhabitant (2023) | 26,651 € | 26,927 € | 24,247 € | ranked 120 of 564 | |
| Median disposable income (administrative) (2023) | 32,652 € | – | 30,830 € | ranked 94 of 551 | |
| Median selling price of houses (2025) | 348,000 € | – | 302,500 € | ranked 171 of 554 | |
| Median selling price of apartments (2025) | 240,000 € | – | 249,900 € | ranked 175 of 299 |
Transport
| Indicator | Opwijk | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Cars per household (2025) | 1.26 | 1.20 | 1.25 | ranked 258 of 564 | |
| Households without a car (2025) | 17.7% | 21.3% | 17.6% | ranked 273 of 564 |
Society
| Indicator | Opwijk | Flemish Brabant | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants of foreign nationality (2026) | 7.0% | 11.9% | 6.4% | ranked 248 of 564 | |
| Administrative poverty risk (2023) | 5.0% | 6.8% | 7.0% | ranked 450 of 551 |
Population of Opwijk over time
Opwijk had 14,208 residents in 2016 and 15,143 in 2026.
| Year | Population |
|---|---|
| 2021 | 14,793 |
| 2022 | 14,828 |
| 2023 | 14,890 |
| 2024 | 14,866 |
| 2025 | 15,006 |
| 2026 | 15,143 |
Where is Opwijk?
Business sectors: Opwijk
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Professional, scientific and technical19.1% ×0.9
- Construction18.7% ×1.4
- Wholesale and retail trade14.2% ×0.9
- Administrative and support services8.1% ×1.2
- Other service activities6.9% ×1.0
- Information and communication5.1% ×0.9
- Agriculture, forestry and fishing4.1% ×1.0
- Health and social work4.0% ×0.9
Sunshine and temperatures: Opwijk
Frequently asked questions
What is the population of Opwijk?
Opwijk has 15,143 residents (2026), ranking 244 of 565 municipalities.
How big is Opwijk?
Opwijk covers 19.9 km², with a density of 760 people per km².
Is the population of Opwijk growing?
Between 2016 and 2026, the population of Opwijk went from 14,208 to 15,143, a change of +6.6%.
Where is Opwijk?
Opwijk is in Flemish Brabant. It belongs to Halle-Vilvoorde (arrondissement). Latitude 50.967, longitude 4.183.
Buildings built after 2001: what is the figure for Opwijk?
In Opwijk, “Buildings built after 2001” stands at 22.3% (2024), ranking 28 of 564 municipalities; the national median is 15.3%.
Residential buildings with central heating or air conditioning: what is the figure for Opwijk?
In Opwijk, “Residential buildings with central heating or air conditioning” stands at 87.9% (2024), ranking 74 of 564 municipalities; the national median is 76.7%.
How much electricity does a solar panel produce in Opwijk?
In Opwijk, a 1 kWp south-facing system tilted at 39° produces about 1,081 kWh a year.
Which municipalities border Opwijk?
The nearest to Opwijk are Merchtem (3.5 km), Buggenhout (5.6 km), Lebbeke (6.0 km), Asse (7.5 km), Affligem (8.4 km).
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