Municipality · LiègeCoat of arms of ChaudfontaineFlag of Chaudfontaine

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
Location map: Chaudfontaine

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.

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Chaudfontaine in numbers

Population
20,525
ranked 166 of 565 −1.2%
Population density
806people/km²
ranked 101 of 564
Area
25.5km²
ranked 439 of 565
Elevation
222m
ranked 91 of 565
Share of inhabitants aged 65 and over
27.9%
ranked 12 of 564
Share of houses in the building stock
86.8%
ranked 17 of 564
Net taxable income per inhabitant
29,162€
ranked 31 of 564
Administrative poverty risk
8.6%
ranked 182 of 551

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

IndicatorChaudfontaineLiègeNationalPositionRank
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

IndicatorChaudfontaineLiègeNationalPositionRank
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)10,412549,9485,783,434ranked 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

IndicatorChaudfontaineLiègeNationalPositionRank
Residential buildings with central heating or air conditioning (2024)79.5%–76.7%ranked 224 of 564

Economy

IndicatorChaudfontaineLiègeNationalPositionRank
VAT-liable enterprises (2024)2,36489,3301,170,010ranked 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

IndicatorChaudfontaineLiègeNationalPositionRank
Cars per household (2025)1.301.111.25ranked 184 of 564
Households without a car (2025)17.4%25.4%17.6%ranked 296 of 564

Society

IndicatorChaudfontaineLiègeNationalPositionRank
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

20,46120,64020,81820,9972016: 20,7662017: 20,8852018: 20,9352019: 20,8002020: 20,8552021: 20,8072022: 20,5562023: 20,5722024: 20,6002025: 20,5232026: 20,525201620182020202220242026

Chaudfontaine had 20,766 residents in 2016 and 20,525 in 2026.

YearPopulation
202120,807
202220,556
202320,572
202420,600
202520,523
202620,525

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.

Sunshine and temperatures: Chaudfontaine

Annual solar output
1,042kWh
for 1 kWp tilted at 39°
Warmest month
17.9°C
July
Coldest month
2.0°C
January
Most productive month
124kWh
May

Jan: 38 kWhJanFeb: 56 kWhFebMar: 91 kWhMarApr: 117 kWhAprMay: 124 kWhMayJun: 124 kWhJunJul: 124 kWhJulAug: 114 kWhAugSep: 102 kWhSepOct: 74 kWhOctNov: 46 kWhNovDec: 33 kWhDec0 °CJan: 2.0 °CFeb: 2.6 °CMar: 5.3 °CApr: 9.1 °CMay: 12.8 °CJun: 16.4 °CJul: 17.9 °CAug: 17.1 °CSep: 14.4 °COct: 10.9 °CNov: 6.1 °CDec: 3.3 °C
Monthly solar output (kWh per 1 kWp)Average temperature (°C)

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).

Coat of arms: Infinitus, CC BY-SA 4.0, Wikimedia Commons · Flag: Jvhoppli, Public domain, Wikimedia Commons. Coats of arms and flags are shown for identification only; this site is not affiliated with any public authority.