Spa: population and statistics
Spa has a population of 9,923 (2026) across 39.9 km², or 249 people per km². It ranks 365 of 565 municipalities by population. Its population is falling: −4.7% between 2016 and 2026.
- 9,923 residents
- 39.9 km²
- 249 people/km²
- 253 m
Key points
Among the 84 municipalities in Liège, Spa ranks No. 35 by population.
Share of inhabitants aged 65 and over: 27.7% in Spa, compared with an average of 20.6% in Liège and 20.7% nationally.
Largest business sector: Professional, scientific and technical, with 18.4% of the area's businesses.
A 1 kWp solar panel tilted at 37° generates about 988 kWh a year here.
Did you know?
- “Share of inhabitants aged 65 and over”: higher than in 98% of municipalities.
- “Buildings built after 2001”: lower than in 93% of municipalities.
- “Households without a car”: higher than in 93% of municipalities.
- Its area is roughly equal to 5,581 football pitches.
- The nearest municipality is Theux, 5.9 km away.
- The nearest more populous municipality is Verviers (56,182 residents), 10 km away.
- A 4 kWp rooftop solar system here would generate about 3,952 kWh a year, roughly what an average household uses.
Spa in numbers
All indicators for Spa
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 | Spa | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants aged 65 and over (2026) | 27.7% | 20.6% | 21.7% | ranked 13 of 564 | |
| Share of inhabitants under 20 (2026) | 18.3% | 22.2% | 21.5% | ranked 544 of 564 |
Housing
| Indicator | Spa | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings built before 1946 (2024) | 54.2% | – | 34.6% | ranked 69 of 564 | |
| Buildings built after 2001 (2024) | 6.7% | – | 15.3% | ranked 520 of 564 | |
| Share of houses in the building stock (2024) | 75.1% | – | 79.9% | ranked 446 of 564 | |
| Number of dwellings (2024) | 5,705 | 549,948 | 5,783,434 | ranked 303 of 565 | |
| New dwellings authorised per year per 1,000 inhabitants (2021-2025) | 4.25 ‰ inh. | 2.72 ‰ inh. | 4.39 ‰ inh. | ranked 303 of 564 |
Energy
| Indicator | Spa | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Residential buildings with central heating or air conditioning (2024) | 73.5% | – | 76.7% | ranked 349 of 564 |
Economy
| Indicator | Spa | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| VAT-liable enterprises (2024) | 838 | 89,330 | 1,170,010 | ranked 403 of 565 | |
| VAT-liable enterprises per 1,000 inhabitants (2024) | 84.5 ‰ inh. | 79.4 ‰ inh. | 102.2 ‰ inh. | ranked 429 of 564 | |
| Net taxable income per inhabitant (2023) | 22,216 € | 21,639 € | 24,247 € | ranked 418 of 564 | |
| Median disposable income (administrative) (2023) | 27,156 € | – | 30,830 € | ranked 492 of 551 | |
| Median selling price of houses (2025) | 275,000 € | – | 302,500 € | ranked 356 of 554 | |
| Median selling price of apartments (2025) | 190,000 € | – | 249,900 € | ranked 258 of 299 |
Transport
| Indicator | Spa | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Cars per household (2025) | 0.99 | 1.11 | 1.25 | ranked 517 of 564 | |
| Households without a car (2025) | 30.3% | 25.4% | 17.6% | ranked 41 of 564 |
Society
| Indicator | Spa | Liège | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants of foreign nationality (2026) | 6.9% | 11.6% | 6.4% | ranked 257 of 564 | |
| Administrative poverty risk (2023) | 11.9% | 14.1% | 7.0% | ranked 79 of 551 |
Population of Spa over time
Spa had 10,415 residents in 2016 and 9,923 in 2026.
| Year | Population |
|---|---|
| 2021 | 10,122 |
| 2022 | 10,002 |
| 2023 | 9,890 |
| 2024 | 9,812 |
| 2025 | 9,806 |
| 2026 | 9,923 |
Where is Spa?
Business sectors: Spa
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Professional, scientific and technical18.4% ×0.9
- Wholesale and retail trade17.4% ×1.2
- Accommodation and food services12.3% ×2.2
- Construction9.4% ×0.7
- Administrative and support services7.0% ×1.1
- Health and social work6.1% ×1.3
- Other service activities6.0% ×0.9
- Manufacturing5.5% ×1.1
Sunshine and temperatures: Spa
Frequently asked questions
What is the population of Spa?
Spa has 9,923 residents (2026), ranking 365 of 565 municipalities.
How big is Spa?
Spa covers 39.9 km², with a density of 249 people per km².
Is the population of Spa growing?
Between 2016 and 2026, the population of Spa went from 10,415 to 9,923, a change of −4.7%.
Where is Spa?
Spa is in Liège. It belongs to Verviers (arrondissement). Latitude 50.492, longitude 5.862.
Share of inhabitants aged 65 and over: what is the figure for Spa?
In Spa, “Share of inhabitants aged 65 and over” stands at 27.7% (2026), ranking 13 of 564 municipalities; the national median is 21.7%.
Buildings built after 2001: what is the figure for Spa?
In Spa, “Buildings built after 2001” stands at 6.7% (2024), ranking 520 of 564 municipalities; the national median is 15.3%.
How much electricity does a solar panel produce in Spa?
In Spa, a 1 kWp south-facing system tilted at 37° produces about 988 kWh a year.
Which municipalities border Spa?
The nearest to Spa are Theux (5.9 km), Pepinster (8.9 km), Stoumont (10 km), Verviers (10 km), Jalhay (10 km).
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