Saint-Ghislain: population and statistics
Saint-Ghislain has a population of 23,969 (2026) across 70.6 km², or 340 people per km². It ranks 130 of 565 municipalities by population. Its population is growing: +3.8% between 2016 and 2026.
- 23,969 residents
- 70.6 km²
- 340 people/km²
- 24 m
Key points
Among the 69 municipalities in Hainaut, Saint-Ghislain ranks No. 12 by population.
New dwellings authorised per year per 1,000 inhabitants: 1.69 ‰ inh. in Saint-Ghislain, compared with an average of 2.06 ‰ inh. in Hainaut and 4.28 ‰ inh. nationally.
VAT-liable enterprises per 1,000 inhabitants: 68.0 ‰ inh. in Saint-Ghislain, compared with an average of 66.2 ‰ inh. in Hainaut and 98.6 ‰ inh. nationally.
Largest business sector: Wholesale and retail trade, with 20.9% of the area's businesses.
A 1 kWp solar panel tilted at 39° generates about 1,072 kWh a year here.
Did you know?
- “New dwellings authorised per year per 1,000 inhabitants”: lower than in 91% of municipalities.
- Its area is roughly equal to 9,887 football pitches.
- The nearest municipality is Boussu, 2.4 km away.
- The nearest more populous municipality is Mons (97,745 residents), 9.6 km away.
- A 4 kWp rooftop solar system here would generate about 4,288 kWh a year, roughly what an average household uses.
Saint-Ghislain in numbers
All indicators for Saint-Ghislain
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 | Saint-Ghislain | Hainaut | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants aged 65 and over (2026) | 23.0% | 20.4% | 21.7% | ranked 166 of 564 | |
| Share of inhabitants under 20 (2026) | 20.4% | 22.3% | 21.5% | ranked 416 of 564 |
Housing
| Indicator | Saint-Ghislain | Hainaut | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings built before 1946 (2024) | 40.6% | – | 34.6% | ranked 206 of 564 | |
| Buildings built after 2001 (2024) | 11.5% | – | 15.3% | ranked 420 of 564 | |
| Share of houses in the building stock (2024) | 80.5% | – | 79.9% | ranked 243 of 564 | |
| Number of dwellings (2024) | 11,661 | 659,990 | 5,783,434 | ranked 127 of 565 | |
| New dwellings authorised per year per 1,000 inhabitants (2021-2025) | 1.69 ‰ inh. | 2.06 ‰ inh. | 4.39 ‰ inh. | ranked 516 of 564 |
Energy
| Indicator | Saint-Ghislain | Hainaut | National | Position | Rank |
|---|---|---|---|---|---|
| Residential buildings with central heating or air conditioning (2024) | 78.6% | – | 76.7% | ranked 238 of 564 |
Economy
| Indicator | Saint-Ghislain | Hainaut | National | Position | Rank |
|---|---|---|---|---|---|
| VAT-liable enterprises (2024) | 1,629 | 90,576 | 1,170,010 | ranked 227 of 565 | |
| VAT-liable enterprises per 1,000 inhabitants (2024) | 68.0 ‰ inh. | 66.2 ‰ inh. | 102.2 ‰ inh. | ranked 504 of 564 | |
| Net taxable income per inhabitant (2023) | 21,986 € | 20,382 € | 24,247 € | ranked 435 of 564 | |
| Median disposable income (administrative) (2023) | 27,914 € | – | 30,830 € | ranked 472 of 551 | |
| Median selling price of houses (2025) | 210,000 € | – | 302,500 € | ranked 487 of 554 | |
| Median selling price of apartments (2025) | 200,000 € | – | 249,900 € | ranked 247 of 299 |
Transport
| Indicator | Saint-Ghislain | Hainaut | National | Position | Rank |
|---|---|---|---|---|---|
| Cars per household (2025) | 1.14 | 1.08 | 1.25 | ranked 428 of 564 | |
| Households without a car (2025) | 23.0% | 26.4% | 17.6% | ranked 122 of 564 |
Society
| Indicator | Saint-Ghislain | Hainaut | National | Position | Rank |
|---|---|---|---|---|---|
| Share of inhabitants of foreign nationality (2026) | 9.4% | 12.7% | 6.4% | ranked 160 of 564 | |
| Administrative poverty risk (2023) | 11.9% | 14.8% | 7.0% | ranked 79 of 551 |
Population of Saint-Ghislain over time
Saint-Ghislain had 23,085 residents in 2016 and 23,969 in 2026.
| Year | Population |
|---|---|
| 2021 | 23,451 |
| 2022 | 23,502 |
| 2023 | 23,665 |
| 2024 | 23,743 |
| 2025 | 23,756 |
| 2026 | 23,969 |
Where is Saint-Ghislain?
Business sectors: Saint-Ghislain
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Wholesale and retail trade20.9% ×1.4
- Professional, scientific and technical12.7% ×0.6
- Construction11.8% ×0.9
- Other service activities9.5% ×1.4
- Administrative and support services7.4% ×1.1
- Accommodation and food services6.2% ×1.1
- Manufacturing5.6% ×1.2
- Health and social work5.6% ×1.2
Sunshine and temperatures: Saint-Ghislain
Frequently asked questions
What is the population of Saint-Ghislain?
Saint-Ghislain has 23,969 residents (2026), ranking 130 of 565 municipalities.
How big is Saint-Ghislain?
Saint-Ghislain covers 70.6 km², with a density of 340 people per km².
Is the population of Saint-Ghislain growing?
Between 2016 and 2026, the population of Saint-Ghislain went from 23,085 to 23,969, a change of +3.8%.
Where is Saint-Ghislain?
Saint-Ghislain is in Hainaut. It belongs to Mons (arrondissement). Latitude 50.450, longitude 3.817.
New dwellings authorised per year per 1,000 inhabitants: what is the figure for Saint-Ghislain?
In Saint-Ghislain, “New dwellings authorised per year per 1,000 inhabitants” stands at 1.69 ‰ inh. (2021-2025), ranking 516 of 564 municipalities; the national median is 4.39 ‰ inh..
VAT-liable enterprises per 1,000 inhabitants: what is the figure for Saint-Ghislain?
In Saint-Ghislain, “VAT-liable enterprises per 1,000 inhabitants” stands at 68.0 ‰ inh. (2024), ranking 504 of 564 municipalities; the national median is 102.2 ‰ inh..
How much electricity does a solar panel produce in Saint-Ghislain?
In Saint-Ghislain, a 1 kWp south-facing system tilted at 39° produces about 1,072 kWh a year.
Which municipalities border Saint-Ghislain?
The nearest to Saint-Ghislain are Boussu (2.4 km), Quaregnon (4.0 km), Colfontaine (5.5 km), Dour (6.3 km), Frameries (7.0 km).
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