Olne: population and statistics
Olne has a population of 4,179 (2026) across 16.0 km², or 260 people per km². It ranks 514 of 565 municipalities by population. Its population is growing: +5.7% between 2016 and 2026.
- 4,179 residents
- 16.0 km²
- 260 people/km²
- 200 m
Key points
Among the 84 municipalities in Liège, Olne ranks No. 66 by population.
Cars per household: 1.51 in Olne, compared with an average of 1.11 in Liège and 1.07 nationally.
Largest business sector: Professional, scientific and technical, with 21.6% of the area's businesses.
A 1 kWp solar panel tilted at 39° generates about 1,029 kWh a year here.
Did you know?
- “Cars per household”: higher than in 99% of municipalities.
- “Number of dwellings”: lower than in 93% of municipalities.
- “VAT-liable enterprises”: lower than in 90% of municipalities.
- Its area is roughly equal to 2,246 football pitches.
- The nearest more populous municipality is Soumagne (17,282 residents), 3.7 km away.
- A 4 kWp rooftop solar system here would generate about 4,116 kWh a year, roughly what an average household uses.
Olne in numbers
All indicators for Olne
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 | Olne | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants aged 65 and over (2026) | 21.5% | 20.6% | 21.7% | ranked 297 of 564 | |
| Share of inhabitants under 20 (2026) | 21.2% | 22.2% | 21.5% | ranked 313 of 564 |
Housing
| Indicator | Olne | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings built before 1946 (2024) | 39.0% | – | 34.6% | ranked 227 of 564 | |
| Buildings built after 2001 (2024) | 14.8% | – | 15.3% | ranked 305 of 564 | |
| Share of houses in the building stock (2024) | 83.3% | – | 79.9% | ranked 104 of 564 | |
| Number of dwellings (2024) | 1,854 | 549,948 | 5,783,434 | ranked 524 of 565 | |
| New dwellings authorised per year per 1,000 inhabitants (2021-2025) | 1.82 ‰ inh. | 2.72 ‰ inh. | 4.39 ‰ inh. | ranked 504 of 564 |
Energy
| Indicator | Olne | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Residential buildings with central heating or air conditioning (2024) | 75.5% | – | 76.7% | ranked 309 of 564 |
Economy
| Indicator | Olne | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| VAT-liable enterprises (2024) | 416 | 89,330 | 1,170,010 | ranked 511 of 565 | |
| VAT-liable enterprises per 1,000 inhabitants (2024) | 99.5 ‰ inh. | 79.4 ‰ inh. | 102.2 ‰ inh. | ranked 313 of 564 | |
| Net taxable income per inhabitant (2023) | 26,424 € | 21,639 € | 24,247 € | ranked 133 of 564 | |
| Median disposable income (administrative) (2023) | 32,410 € | – | 30,830 € | ranked 118 of 551 | |
| Median selling price of houses (2025) | 343,500 € | – | 302,500 € | ranked 181 of 554 |
Transport
| Indicator | Olne | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Cars per household (2025) | 1.51 | 1.11 | 1.25 | ranked 7 of 564 | |
| Households without a car (2025) | 11.0% | 25.4% | 17.6% | ranked 556 of 564 |
Society
| Indicator | Olne | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants of foreign nationality (2026) | 3.7% | 11.6% | 6.4% | ranked 488 of 564 | |
| Administrative poverty risk (2023) | 5.1% | 14.1% | 7.0% | ranked 441 of 551 |
Population of Olne over time
Olne had 3,954 residents in 2016 and 4,179 in 2026.
| Year | Population |
|---|---|
| 2021 | 4,051 |
| 2022 | 4,068 |
| 2023 | 4,082 |
| 2024 | 4,142 |
| 2025 | 4,172 |
| 2026 | 4,179 |
Where is Olne?
Business sectors: Olne
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Professional, scientific and technical21.6% ×1.1
- Construction14.9% ×1.1
- Wholesale and retail trade14.4% ×1.0
- Administrative and support services7.9% ×1.2
- Manufacturing7.2% ×1.5
- Health and social work7.2% ×1.6
- Information and communication5.5% ×1.0
- Other service activities5.0% ×0.8
Sunshine and temperatures: Olne
Frequently asked questions
What is the population of Olne?
Olne has 4,179 residents (2026), ranking 514 of 565 municipalities.
How big is Olne?
Olne covers 16.0 km², with a density of 260 people per km².
Is the population of Olne growing?
Between 2016 and 2026, the population of Olne went from 3,954 to 4,179, a change of +5.7%.
Where is Olne?
Olne is in Liège. It belongs to Verviers (arrondissement). Latitude 50.583, longitude 5.750.
Cars per household: what is the figure for Olne?
In Olne, “Cars per household” stands at 1.51 (2025), ranking 7 of 564 municipalities; the national median is 1.25.
Number of dwellings: what is the figure for Olne?
In Olne, “Number of dwellings” stands at 1,854 (2024), ranking 524 of 565 municipalities; the national median is 6,052.
How much electricity does a solar panel produce in Olne?
In Olne, a 1 kWp south-facing system tilted at 39° produces about 1,029 kWh a year.
Which municipalities border Olne?
The nearest to Olne are Soumagne (3.7 km), Trooz (4.6 km), Pepinster (5.1 km), Fléron (6.0 km), Herve (6.6 km).
Coat of arms: Émile Beguin, CC BY-SA 3.0, Wikimedia Commons · Flag: Burjkh, CC0, Wikimedia Commons. Coats of arms and flags are shown for identification only; this site is not affiliated with any public authority.
.svg){kind=link}
