Slough: population and statistics
Slough has a population of 167,450 (2025) across 32.5 km², or 5,146 people per km². It ranks 146 of 361 local authorities by population. Its population is growing: +11.6% between 2015 and 2025.
- 167,450 residents
- 32.5 km²
- 5,146 people/km²
Slough in numbers
Population of Slough over time
Slough had 150,104 residents in 2015 and 167,450 in 2025.
| Year | Population |
|---|---|
| 2020 | 158,281 |
| 2021 | 158,448 |
| 2022 | 159,765 |
| 2023 | 163,608 |
| 2024 | 166,739 |
| 2025 | 167,450 |
All indicators for Slough
Value for the area, then the regional average and the UK median (for counts: regional and UK totals). The gauge places the area between the lowest and highest value in the UK.
Population
| Indicator | Slough | South East | UK | Position | Rank |
|---|---|---|---|---|---|
| Share of residents aged 65 and over (2025) | 10.0% | 20.2% | 20.4% | ranked 352 of 361 | |
| Share of residents aged under 16 (2025) | 23.9% | 18.1% | 17.4% | ranked 2 of 361 |
Housing
| Indicator | Slough | South East | UK | Position | Rank |
|---|---|---|---|---|---|
| Dwellings (Council Tax stock) (2026) | 57,540 dwellings | 4,201,530 | 27,429,300 | ranked 206 of 318 | |
| Dwellings built before 1940 (2026) | 25.4% | 28.0% | 31.6% | ranked 222 of 318 | |
| Dwellings built since 2000 (2026) | 21.7% | 19.8% | 18.1% | ranked 90 of 318 | |
| Households (Census 2021) (2021) | 52,423 households | 72,553 | 61,440 | ranked 204 of 318 | |
| Households living in a house or bungalow (2021) | 66.3% | 77.8% | 84.7% | ranked 277 of 318 | |
| Households living in a flat or maisonette (2021) | 33.6% | 21.5% | 14.8% | ranked 41 of 318 | |
| Owner-occupied households (incl. shared ownership) (2021) | 49.5% | 67.0% | 67.3% | ranked 288 of 318 | |
| Households renting privately (2021) | 30.7% | 19.2% | 17.6% | ranked 24 of 318 | |
| Households in social housing (2021) | 19.6% | 13.7% | 14.3% | ranked 67 of 318 | |
| Average house price (2026) | £335,759 | £392,981 | £272,474 | ranked 114 of 360 | |
| House price change over 12 months (2026) | −1.8% | 0.5% | 2.2% | ranked 318 of 360 |
Energy
| Indicator | Slough | South East | UK | Position | Rank |
|---|---|---|---|---|---|
| Households without central heating (2021) | 2.0% | 1.3% | 1.2% | ranked 51 of 318 | |
| Households heated by mains gas only (2021) | 72.4% | 74.6% | 76.7% | ranked 217 of 318 | |
| Households heated by electricity only (2021) | 15.2% | 9.2% | 7.8% | ranked 11 of 318 | |
| Households heated by oil only (2021) | 0.1% | 3.2% | 0.9% | ranked 246 of 318 |
Economy
| Indicator | Slough | South East | UK | Position | Rank |
|---|---|---|---|---|---|
| Business sites (local units) (2026) | 7,670 sites | 472,260 | 3,232,440 | ranked 157 of 361 | |
| Business sites per 1,000 residents (2026) | 45.8 per 1,000 | 48.7 per 1,000 | 44.4 per 1,000 | ranked 152 of 361 | |
| Registered businesses (enterprises) (2026) | 6,780 businesses | 412,075 | 2,786,975 | ranked 151 of 361 | |
| Median annual pay, full-time residents (gross) (2025) | £38,483 | £41,780 | £38,490 | ranked 175 of 348 |
Jobs
| Indicator | Slough | South East | UK | Position | Rank |
|---|---|---|---|---|---|
| Employment rate, aged 16-64 (2025-2026) | 74.9% | 79.1% | 76.3% | ranked 207 of 347 | |
| Out-of-work benefit claimants, share of residents aged 16-64 (2026) | 5.9% | 3.1% | 3.2% | ranked 24 of 361 |
Transport
| Indicator | Slough | South East | UK | Position | Rank |
|---|---|---|---|---|---|
| Households without a car or van (2021) | 20.3% | 16.8% | 18.5% | ranked 128 of 318 |
Key points
Among the 64 local authorities in South East, Slough ranks 15 by population.
Share of residents aged under 16: 23.9% in Slough, compared with an average of 18.1% in South East and 17.7% across the UK.
Households heated by electricity only: 15.2% in Slough, compared with an average of 9.2% in South East and 8.6% across the UK.
Largest business sector: Wholesale and retail trade, with 18.6% of the area's business sites.
Did you know?
- Number 1 in South East for “Share of residents aged under 16”.
- Number 1 in South East for “Out-of-work benefit claimants, share of residents aged 16-64”.
- “Share of residents aged under 16”: higher than in 100% of local authorities.
- “Households heated by electricity only”: higher than in 97% of local authorities.
- “Out-of-work benefit claimants, share of residents aged 16-64”: higher than in 94% of local authorities.
- Its area is roughly equal to 4,557 football pitches.
- 18.1 times denser than the UK average.
Business sectors: Slough
Share of each sector in total business sites; “×1.5” means the sector is 1.5 times more common than across the UK.
- Wholesale and retail trade18.6% ×1.2
- Construction12.7% ×1.0
- Transport and storage12.6% ×3.0
- Information and communication11.9% ×1.9
- Professional, scientific and technical10.2% ×0.7
- Administrative and support services8.9% ×1.1
- Accommodation and food services5.2% ×0.7
- Health and social work4.6% ×0.8
Where is Slough?
Frequently asked questions
What is the population of Slough?
Slough has 167,450 residents (2025), ranking 146 of 361 local authorities.
How big is Slough?
Slough covers 32.5 km², with a density of 5,146 people per km².
Is the population of Slough growing?
Between 2015 and 2025, the population of Slough went from 150,104 to 167,450, a change of +11.6%.
Where is Slough?
Slough is in South East (region). Latitude 51.500, longitude −0.567.
Share of residents aged under 16: what is the figure for Slough?
In Slough, “Share of residents aged under 16” stands at 23.9% (2025), ranking 2 of 361 local authorities; the UK median is 17.4%.
Households heated by electricity only: what is the figure for Slough?
In Slough, “Households heated by electricity only” stands at 15.2% (2021), ranking 11 of 318 local authorities; the UK median is 7.8%.
Which local authorities border Slough?
The nearest to Slough are Windsor and Maidenhead (7.9 km), Hillingdon (7.9 km), Spelthorne (8.7 km), Runnymede (12 km), Hounslow (14 km).