Theux: population and statistics
Theux has a population of 12,185 (2026) across 83.5 km², or 146 people per km². It ranks 304 of 565 municipalities by population. Its population is growing: +0.8% between 2016 and 2026.
- 12,185 residents
- 83.5 km²
- 146 people/km²
- 166 m
Key points
Among the 84 municipalities in Liège, Theux ranks No. 27 by population.
Share of inhabitants of foreign nationality: 2.9% in Theux, compared with an average of 11.6% in Liège and 13.8% nationally.
Cars per household: 1.37 in Theux, compared with an average of 1.11 in Liège and 1.07 nationally.
Largest business sector: Professional, scientific and technical, with 18.0% of the area's businesses.
A 1 kWp solar panel tilted at 38° generates about 1,011 kWh a year here.
Did you know?
- “Share of inhabitants of foreign nationality”: lower than in 97% of municipalities.
- Its area is roughly equal to 11,692 football pitches.
- Its population density is 2.6 times lower than the national average.
- The nearest municipality is Pepinster, 3.5 km away.
- The nearest more populous municipality is Verviers (56,182 residents), 6.0 km away.
- A 4 kWp rooftop solar system here would generate about 4,044 kWh a year, roughly what an average household uses.
Theux in numbers
All indicators for Theux
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 | Theux | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants aged 65 and over (2026) | 21.8% | 20.6% | 21.7% | ranked 270 of 564 | |
| Share of inhabitants under 20 (2026) | 20.8% | 22.2% | 21.5% | ranked 377 of 564 |
Housing
| Indicator | Theux | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings built before 1946 (2024) | 44.6% | – | 34.6% | ranked 167 of 564 | |
| Buildings built after 2001 (2024) | 12.4% | – | 15.3% | ranked 391 of 564 | |
| Share of houses in the building stock (2024) | 80.6% | – | 79.9% | ranked 240 of 564 | |
| Number of dwellings (2024) | 5,606 | 549,948 | 5,783,434 | ranked 309 of 565 | |
| New dwellings authorised per year per 1,000 inhabitants (2021-2025) | 4.50 ‰ inh. | 2.72 ‰ inh. | 4.39 ‰ inh. | ranked 273 of 564 |
Energy
| Indicator | Theux | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Residential buildings with central heating or air conditioning (2024) | 72.6% | – | 76.7% | ranked 367 of 564 |
Economy
| Indicator | Theux | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| VAT-liable enterprises (2024) | 1,403 | 89,330 | 1,170,010 | ranked 268 of 565 | |
| VAT-liable enterprises per 1,000 inhabitants (2024) | 115.1 ‰ inh. | 79.4 ‰ inh. | 102.2 ‰ inh. | ranked 161 of 564 | |
| Net taxable income per inhabitant (2023) | 25,060 € | 21,639 € | 24,247 € | ranked 231 of 564 | |
| Median disposable income (administrative) (2023) | 31,421 € | – | 30,830 € | ranked 223 of 551 | |
| Median selling price of houses (2025) | 300,000 € | – | 302,500 € | ranked 283 of 554 |
Transport
| Indicator | Theux | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Cars per household (2025) | 1.37 | 1.11 | 1.25 | ranked 72 of 564 | |
| Households without a car (2025) | 15.4% | 25.4% | 17.6% | ranked 418 of 564 |
Society
| Indicator | Theux | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants of foreign nationality (2026) | 2.9% | 11.6% | 6.4% | ranked 539 of 564 | |
| Administrative poverty risk (2023) | 6.4% | 14.1% | 7.0% | ranked 317 of 551 |
Population of Theux over time
Theux had 12,092 residents in 2016 and 12,185 in 2026.
| Year | Population |
|---|---|
| 2021 | 12,011 |
| 2022 | 11,957 |
| 2023 | 11,972 |
| 2024 | 12,052 |
| 2025 | 12,144 |
| 2026 | 12,185 |
Where is Theux?
Business sectors: Theux
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Professional, scientific and technical18.0% ×0.9
- Construction15.6% ×1.1
- Wholesale and retail trade13.0% ×0.9
- Administrative and support services7.8% ×1.2
- Agriculture, forestry and fishing7.3% ×1.7
- Manufacturing6.2% ×1.3
- Accommodation and food services5.9% ×1.1
- Other service activities5.8% ×0.9
Sunshine and temperatures: Theux
Frequently asked questions
What is the population of Theux?
Theux has 12,185 residents (2026), ranking 304 of 565 municipalities.
How big is Theux?
Theux covers 83.5 km², with a density of 146 people per km².
Is the population of Theux growing?
Between 2016 and 2026, the population of Theux went from 12,092 to 12,185, a change of +0.8%.
Where is Theux?
Theux is in Liège. It belongs to Verviers (arrondissement). Latitude 50.535, longitude 5.813.
Share of inhabitants of foreign nationality: what is the figure for Theux?
In Theux, “Share of inhabitants of foreign nationality” stands at 2.9% (2026), ranking 539 of 564 municipalities; the national median is 6.4%.
Cars per household: what is the figure for Theux?
In Theux, “Cars per household” stands at 1.37 (2025), ranking 72 of 564 municipalities; the national median is 1.25.
How much electricity does a solar panel produce in Theux?
In Theux, a 1 kWp south-facing system tilted at 38° produces about 1,011 kWh a year.
Which municipalities border Theux?
The nearest to Theux are Pepinster (3.5 km), Spa (5.9 km), Verviers (6.0 km), Olne (7.0 km), Dison (9.4 km).
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