Hertsmere: population and statistics
Hertsmere has a population of 110,242 (2025) across 101.1 km², or 1,090 people per km². It ranks 272 of 361 local authorities by population. Its population is growing: +5.6% between 2015 and 2025.
- 110,242 residents
- 101.1 km²
- 1,090 people/km²
Hertsmere in numbers
Population of Hertsmere over time
Hertsmere had 104,414 residents in 2015 and 110,242 in 2025.
| Year | Population |
|---|---|
| 2020 | 107,612 |
| 2021 | 108,129 |
| 2022 | 108,522 |
| 2023 | 109,558 |
| 2024 | 109,993 |
| 2025 | 110,242 |
All indicators for Hertsmere
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 | Hertsmere | East | UK | Position | Rank |
|---|---|---|---|---|---|
| Share of residents aged 65 and over (2025) | 18.9% | 20.3% | 20.4% | ranked 229 of 361 | |
| Share of residents aged under 16 (2025) | 19.5% | 18.4% | 17.4% | ranked 66 of 361 |
Housing
| Indicator | Hertsmere | East | UK | Position | Rank |
|---|---|---|---|---|---|
| Dwellings (Council Tax stock) (2026) | 45,980 dwellings | 2,888,720 | 27,429,300 | ranked 259 of 318 | |
| Dwellings built before 1940 (2026) | 24.4% | 23.4% | 31.6% | ranked 233 of 318 | |
| Dwellings built since 2000 (2026) | 16.9% | 21.0% | 18.1% | ranked 184 of 318 | |
| Households (Census 2021) (2021) | 42,682 households | 65,170 | 61,440 | ranked 251 of 318 | |
| Households living in a house or bungalow (2021) | 71.5% | 81.7% | 84.7% | ranked 268 of 318 | |
| Households living in a flat or maisonette (2021) | 28.1% | 17.7% | 14.8% | ranked 51 of 318 | |
| Owner-occupied households (incl. shared ownership) (2021) | 65.3% | 66.1% | 67.3% | ranked 190 of 318 | |
| Households renting privately (2021) | 17.3% | 18.3% | 17.6% | ranked 169 of 318 | |
| Households in social housing (2021) | 17.3% | 15.5% | 14.3% | ranked 95 of 318 | |
| Average house price (2026) | £548,704 | £353,838 | £272,474 | ranked 23 of 360 | |
| House price change over 12 months (2026) | 1.3% | 1.1% | 2.2% | ranked 216 of 360 |
Energy
| Indicator | Hertsmere | East | UK | Position | Rank |
|---|---|---|---|---|---|
| Households without central heating (2021) | 1.0% | 1.2% | 1.2% | ranked 204 of 318 | |
| Households heated by mains gas only (2021) | 79.9% | 70.3% | 76.7% | ranked 93 of 318 | |
| Households heated by electricity only (2021) | 8.8% | 9.5% | 7.8% | ranked 118 of 318 | |
| Households heated by oil only (2021) | 0.4% | 7.0% | 0.9% | ranked 190 of 318 |
Economy
| Indicator | Hertsmere | East | UK | Position | Rank |
|---|---|---|---|---|---|
| Business sites (local units) (2026) | 8,480 sites | 315,875 | 3,232,440 | ranked 137 of 361 | |
| Business sites per 1,000 residents (2026) | 76.9 per 1,000 | 47.8 per 1,000 | 44.4 per 1,000 | ranked 11 of 361 | |
| Registered businesses (enterprises) (2026) | 7,945 businesses | 276,720 | 2,786,975 | ranked 119 of 361 | |
| Median annual pay, full-time residents (gross) (2025) | £43,813 | £41,339 | £38,490 | ranked 68 of 348 |
Jobs
| Indicator | Hertsmere | East | UK | Position | Rank |
|---|---|---|---|---|---|
| Employment rate, aged 16-64 (2025-2026) | 73.3% | 78.4% | 76.3% | ranked 245 of 347 | |
| Out-of-work benefit claimants, share of residents aged 16-64 (2026) | 3.6% | 3.3% | 3.2% | ranked 120 of 361 |
Transport
| Indicator | Hertsmere | East | UK | Position | Rank |
|---|---|---|---|---|---|
| Households without a car or van (2021) | 15.5% | 16.9% | 18.5% | ranked 205 of 318 |
Key points
Among the 45 local authorities in East, Hertsmere ranks 30 by population.
Business sites per 1,000 residents: 76.9 per 1,000 in Hertsmere, compared with an average of 47.8 per 1,000 in East and 46.5 per 1,000 across the UK.
Average house price: £548,704 in Hertsmere, compared with an average of £353,838 in East and £308,859 across the UK.
Largest business sector: Professional, scientific and technical, with 16.9% of the area's business sites.
Did you know?
- Number 1 in East for “Business sites per 1,000 residents”.
- “Business sites per 1,000 residents”: higher than in 97% of local authorities.
- “Average house price”: higher than in 94% of local authorities.
- Its area is roughly equal to 14,164 football pitches.
- 3.8 times denser than the UK average.
- The nearest local authority is Barnet, 8.9 km away.
- The nearest larger neighbour is Barnet (408,087 residents), 9 km away.
Business sectors: Hertsmere
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 technical16.9% ×1.2
- Construction14.9% ×1.2
- Wholesale and retail trade12.5% ×0.8
- Information and communication9.5% ×1.6
- Administrative and support services8.7% ×1.1
- Real estate8.0% ×1.8
- Health and social work5.5% ×1.0
- Accommodation and food services4.9% ×0.7
Where is Hertsmere?
Frequently asked questions
What is the population of Hertsmere?
Hertsmere has 110,242 residents (2025), ranking 272 of 361 local authorities.
How big is Hertsmere?
Hertsmere covers 101.1 km², with a density of 1,090 people per km².
Is the population of Hertsmere growing?
Between 2015 and 2025, the population of Hertsmere went from 104,414 to 110,242, a change of +5.6%.
Where is Hertsmere?
Hertsmere is in East (region). Latitude 51.660, longitude −0.270.
Business sites per 1,000 residents: what is the figure for Hertsmere?
In Hertsmere, “Business sites per 1,000 residents” stands at 76.9 per 1,000 (2026), ranking 11 of 361 local authorities; the UK median is 44.4 per 1,000.
Average house price: what is the figure for Hertsmere?
In Hertsmere, “Average house price” stands at £548,704 (2026), ranking 23 of 360 local authorities; the UK median is £272,474.
Which local authorities border Hertsmere?
The nearest to Hertsmere are Barnet (8.9 km), Harrow (9.0 km), Watford (9.2 km), Brent (11 km), Haringey (13 km).