

Chaudfontaine: population and statistics
Chaudfontaine has a population of 20,525 (2026) across 25.5 km², or 806 people per km². It ranks 166 of 565 municipalities by population. Its population is falling: −1.2% between 2016 and 2026.
- 20,525 residents
- 25.5 km²
- 806 people/km²
- 222 m
Key points
Among the 84 municipalities in Liège, Chaudfontaine ranks No. 11 by population.
Share of inhabitants aged 65 and over: 27.9% in Chaudfontaine, compared with an average of 20.6% in Liège and 20.7% nationally.
Largest business sector: Professional, scientific and technical, with 29.5% of the area's businesses.
A 1 kWp solar panel tilted at 39° generates about 1,042 kWh a year here.
Did you know?
- Number 1 in Liège for “Share of inhabitants aged 65 and over”.
- “Share of inhabitants aged 65 and over”: higher than in 98% of municipalities.
- “Share of houses in the building stock”: higher than in 97% of municipalities.
- “Net taxable income per inhabitant”: higher than in 95% of municipalities.
- Its area is roughly equal to 3,566 football pitches.
- Its population density is 2.1 times the national average.
- The nearest municipality is Beyne-Heusay, 3.9 km away.
Chaudfontaine in numbers
All indicators for Chaudfontaine
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 | Chaudfontaine | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants aged 65 and over (2026) | 27.9% | 20.6% | 21.7% | ranked 12 of 564 | |
| Share of inhabitants under 20 (2026) | 19.1% | 22.2% | 21.5% | ranked 517 of 564 |
Housing
| Indicator | Chaudfontaine | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings built before 1946 (2024) | 27.0% | – | 34.6% | ranked 349 of 564 | |
| Buildings built after 2001 (2024) | 8.2% | – | 15.3% | ranked 496 of 564 | |
| Share of houses in the building stock (2024) | 86.8% | – | 79.9% | ranked 17 of 564 | |
| Number of dwellings (2024) | 10,412 | 549,948 | 5,783,434 | ranked 148 of 565 | |
| New dwellings authorised per year per 1,000 inhabitants (2021-2025) | 2.44 ‰ inh. | 2.72 ‰ inh. | 4.39 ‰ inh. | ranked 454 of 564 |
Energy
| Indicator | Chaudfontaine | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Residential buildings with central heating or air conditioning (2024) | 79.5% | – | 76.7% | ranked 224 of 564 |
Economy
| Indicator | Chaudfontaine | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| VAT-liable enterprises (2024) | 2,364 | 89,330 | 1,170,010 | ranked 135 of 565 | |
| VAT-liable enterprises per 1,000 inhabitants (2024) | 115.2 ‰ inh. | 79.4 ‰ inh. | 102.2 ‰ inh. | ranked 159 of 564 | |
| Net taxable income per inhabitant (2023) | 29,162 € | 21,639 € | 24,247 € | ranked 31 of 564 | |
| Median disposable income (administrative) (2023) | 31,217 € | – | 30,830 € | ranked 240 of 551 | |
| Median selling price of houses (2025) | 332,500 € | – | 302,500 € | ranked 203 of 554 | |
| Median selling price of apartments (2025) | 263,000 € | – | 249,900 € | ranked 122 of 299 |
Transport
| Indicator | Chaudfontaine | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Cars per household (2025) | 1.30 | 1.11 | 1.25 | ranked 184 of 564 | |
| Households without a car (2025) | 17.4% | 25.4% | 17.6% | ranked 296 of 564 |
Society
| Indicator | Chaudfontaine | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants of foreign nationality (2026) | 5.7% | 11.6% | 6.4% | ranked 317 of 564 | |
| Administrative poverty risk (2023) | 8.6% | 14.1% | 7.0% | ranked 182 of 551 |
Population of Chaudfontaine over time
Chaudfontaine had 20,766 residents in 2016 and 20,525 in 2026.
| Year | Population |
|---|---|
| 2021 | 20,807 |
| 2022 | 20,556 |
| 2023 | 20,572 |
| 2024 | 20,600 |
| 2025 | 20,523 |
| 2026 | 20,525 |
Where is Chaudfontaine?
Business sectors: Chaudfontaine
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Professional, scientific and technical29.5% ×1.5
- Wholesale and retail trade12.7% ×0.8
- Construction12.1% ×0.9
- Health and social work8.2% ×1.8
- Administrative and support services5.3% ×0.8
- Other service activities4.9% ×0.7
- Accommodation and food services4.7% ×0.9
- Real estate4.7% ×1.5
Sunshine and temperatures: Chaudfontaine
Frequently asked questions
What is the population of Chaudfontaine?
Chaudfontaine has 20,525 residents (2026), ranking 166 of 565 municipalities.
How big is Chaudfontaine?
Chaudfontaine covers 25.5 km², with a density of 806 people per km².
Is the population of Chaudfontaine growing?
Between 2016 and 2026, the population of Chaudfontaine went from 20,766 to 20,525, a change of −1.2%.
Where is Chaudfontaine?
Chaudfontaine is in Liège. It belongs to Liège (arrondissement). Latitude 50.583, longitude 5.633.
Share of inhabitants aged 65 and over: what is the figure for Chaudfontaine?
In Chaudfontaine, “Share of inhabitants aged 65 and over” stands at 27.9% (2026), ranking 12 of 564 municipalities; the national median is 21.7%.
Share of houses in the building stock: what is the figure for Chaudfontaine?
In Chaudfontaine, “Share of houses in the building stock” stands at 86.8% (2024), ranking 17 of 564 municipalities; the national median is 79.9%.
How much electricity does a solar panel produce in Chaudfontaine?
In Chaudfontaine, a 1 kWp south-facing system tilted at 39° produces about 1,042 kWh a year.
Which municipalities border Chaudfontaine?
The nearest to Chaudfontaine are Beyne-Heusay (3.9 km), Trooz (4.0 km), Fléron (5.1 km), Esneux (7.3 km), Liège (7.7 km).
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