Harrow: population and statistics
Harrow has a population of 272,612 (2025) across 50.5 km², or 5,402 people per km². It ranks 75 of 361 local authorities by population. Its population is growing: +6.8% between 2015 and 2025.
- 272,612 residents
- 50.5 km²
- 5,402 people/km²
Harrow in numbers
Population of Harrow over time
Harrow had 255,308 residents in 2015 and 272,612 in 2025.
| Year | Population |
|---|---|
| 2020 | 262,281 |
| 2021 | 261,159 |
| 2022 | 263,123 |
| 2023 | 267,893 |
| 2024 | 270,987 |
| 2025 | 272,612 |
All indicators for Harrow
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 | Harrow | London | UK | Position | Rank |
|---|---|---|---|---|---|
| Share of residents aged 65 and over (2025) | 16.1% | 12.6% | 20.4% | ranked 295 of 361 | |
| Share of residents aged under 16 (2025) | 18.9% | 17.8% | 17.4% | ranked 92 of 361 |
Housing
| Indicator | Harrow | London | UK | Position | Rank |
|---|---|---|---|---|---|
| Dwellings (Council Tax stock) (2026) | 97,620 dwellings | 3,863,730 | 27,429,300 | ranked 92 of 318 | |
| Dwellings built before 1940 (2026) | 61.5% | 50.9% | 31.6% | ranked 9 of 318 | |
| Dwellings built since 2000 (2026) | 15.7% | 18.5% | 18.1% | ranked 206 of 318 | |
| Households (Census 2021) (2021) | 89,642 households | 111,538 | 61,440 | ranked 92 of 318 | |
| Households living in a house or bungalow (2021) | 65.4% | 47.1% | 84.7% | ranked 279 of 318 | |
| Households living in a flat or maisonette (2021) | 34.6% | 52.8% | 14.8% | ranked 39 of 318 | |
| Owner-occupied households (incl. shared ownership) (2021) | 59.9% | 47.2% | 67.3% | ranked 246 of 318 | |
| Households renting privately (2021) | 29.6% | 29.9% | 17.6% | ranked 26 of 318 | |
| Households in social housing (2021) | 10.4% | 22.7% | 14.3% | ranked 282 of 318 | |
| Average house price (2026) | £526,493 | £555,175 | £272,474 | ranked 29 of 360 | |
| House price change over 12 months (2026) | −2.8% | −2.8% | 2.2% | ranked 333 of 360 |
Energy
| Indicator | Harrow | London | UK | Position | Rank |
|---|---|---|---|---|---|
| Households without central heating (2021) | 1.4% | 2.2% | 1.2% | ranked 117 of 318 | |
| Households heated by mains gas only (2021) | 78.3% | 70.7% | 76.7% | ranked 130 of 318 | |
| Households heated by electricity only (2021) | 8.9% | 12.6% | 7.8% | ranked 112 of 318 | |
| Households heated by oil only (2021) | 0.1% | 0.1% | 0.9% | ranked 246 of 318 |
Economy
| Indicator | Harrow | London | UK | Position | Rank |
|---|---|---|---|---|---|
| Business sites (local units) (2026) | 16,455 sites | 611,345 | 3,232,440 | ranked 38 of 361 | |
| Business sites per 1,000 residents (2026) | 60.4 per 1,000 | 67.0 per 1,000 | 44.4 per 1,000 | ranked 38 of 361 | |
| Registered businesses (enterprises) (2026) | 15,770 businesses | 552,505 | 2,786,975 | ranked 29 of 361 | |
| Median annual pay, full-time residents (gross) (2025) | £45,232 | £46,514 | £38,490 | ranked 47 of 348 |
Jobs
| Indicator | Harrow | London | UK | Position | Rank |
|---|---|---|---|---|---|
| Employment rate, aged 16-64 (2025-2026) | 75.0% | 74.7% | 76.3% | ranked 206 of 347 | |
| Out-of-work benefit claimants, share of residents aged 16-64 (2026) | 4.8% | 5.5% | 3.2% | ranked 51 of 361 |
Transport
| Indicator | Harrow | London | UK | Position | Rank |
|---|---|---|---|---|---|
| Households without a car or van (2021) | 24.7% | 41.3% | 18.5% | ranked 86 of 318 |
Key points
Among the 33 local authorities in London, Harrow ranks 19 by population.
Dwellings built before 1940: 61.5% in Harrow, compared with an average of 50.9% in London and 34.9% across the UK.
Households heated by oil only: 0.1% in Harrow, compared with an average of 0.1% in London and 3.4% across the UK.
Largest business sector: Professional, scientific and technical, with 16.6% of the area's business sites.
Did you know?
- “Dwellings built before 1940”: higher than in 97% of local authorities.
- “Households heated by oil only”: lower than in 97% of local authorities.
- “Registered businesses (enterprises)”: higher than in 92% of local authorities.
- Its area is roughly equal to 7,067 football pitches.
- 19.0 times denser than the UK average.
- The nearest local authority is Brent, 4.8 km away.
- The nearest larger neighbour is Croydon (410,085 residents), 29 km away.
Business sectors: Harrow
Share of each sector in total business sites; “×1.5” means the sector is 1.5 times more common than across the UK.
- Professional, scientific and technical16.6% ×1.2
- Wholesale and retail trade16.2% ×1.0
- Construction15.5% ×1.2
- Information and communication9.8% ×1.6
- Real estate7.6% ×1.7
- Administrative and support services7.5% ×0.9
- Health and social work6.3% ×1.1
- Accommodation and food services4.9% ×0.7
Where is Harrow?
Frequently asked questions
What is the population of Harrow?
Harrow has 272,612 residents (2025), ranking 75 of 361 local authorities.
How big is Harrow?
Harrow covers 50.5 km², with a density of 5,402 people per km².
Is the population of Harrow growing?
Between 2015 and 2025, the population of Harrow went from 255,308 to 272,612, a change of +6.8%.
Where is Harrow?
Harrow is in London (region). Latitude 51.588, longitude −0.332.
Dwellings built before 1940: what is the figure for Harrow?
In Harrow, “Dwellings built before 1940” stands at 61.5% (2026), ranking 9 of 318 local authorities; the UK median is 31.6%.
Households heated by oil only: what is the figure for Harrow?
In Harrow, “Households heated by oil only” stands at 0.1% (2021), ranking 246 of 318 local authorities; the UK median is 0.9%.
Which local authorities border Harrow?
The nearest to Harrow are Brent (4.8 km), Ealing (8.5 km), Hertsmere (9.0 km), Watford (10 km), Three Rivers (11 km).