Caerphilly: population and statistics
Caerphilly has a population of 176,078 (2025) across 277.4 km², or 635 people per km². It ranks 137 of 361 local authorities by population. Its population is falling: −1.2% between 2015 and 2025.
- 176,078 residents
- 277.4 km²
- 635 people/km²
Caerphilly in numbers
Population of Caerphilly over time
Caerphilly had 178,269 residents in 2015 and 176,078 in 2025.
| Year | Population |
|---|---|
| 2020 | 176,805 |
| 2021 | 175,999 |
| 2022 | 176,001 |
| 2023 | 176,277 |
| 2024 | 176,232 |
| 2025 | 176,078 |
All indicators for Caerphilly
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 | Caerphilly | Wales | UK | Position | Rank |
|---|---|---|---|---|---|
| Share of residents aged 65 and over (2025) | 21.1% | 22.2% | 20.4% | ranked 163 of 361 | |
| Share of residents aged under 16 (2025) | 17.5% | 16.8% | 17.4% | ranked 173 of 361 |
Housing
| Indicator | Caerphilly | Wales | UK | Position | Rank |
|---|---|---|---|---|---|
| Dwellings (Council Tax stock) (2026) | 81,450 dwellings | 1,492,630 | 27,429,300 | ranked 120 of 318 | |
| Dwellings built before 1940 (2026) | 41.7% | 39.4% | 31.6% | ranked 68 of 318 | |
| Dwellings built since 2000 (2026) | 12.3% | 15.3% | 18.1% | ranked 274 of 318 | |
| Households (Census 2021) (2021) | 76,255 households | 75,148 | 61,440 | ranked 117 of 318 | |
| Households living in a house or bungalow (2021) | 91.6% | 87.0% | 84.7% | ranked 29 of 318 | |
| Households living in a flat or maisonette (2021) | 8.4% | 12.7% | 14.8% | ranked 281 of 318 | |
| Owner-occupied households (incl. shared ownership) (2021) | 67.8% | 66.3% | 67.3% | ranked 146 of 318 | |
| Households renting privately (2021) | 13.3% | 17.1% | 17.6% | ranked 297 of 318 | |
| Households in social housing (2021) | 18.8% | 16.5% | 14.3% | ranked 75 of 318 | |
| Average house price (2026) | £197,542 | £218,855 | £272,474 | ranked 294 of 360 | |
| House price change over 12 months (2026) | 4.2% | 2.7% | 2.2% | ranked 88 of 360 |
Energy
| Indicator | Caerphilly | Wales | UK | Position | Rank |
|---|---|---|---|---|---|
| Households without central heating (2021) | 0.5% | 1.1% | 1.2% | ranked 316 of 318 | |
| Households heated by mains gas only (2021) | 85.1% | 71.8% | 76.7% | ranked 4 of 318 | |
| Households heated by electricity only (2021) | 2.1% | 5.3% | 7.8% | ranked 318 of 318 | |
| Households heated by oil only (2021) | 0.7% | 7.7% | 0.9% | ranked 167 of 318 |
Economy
| Indicator | Caerphilly | Wales | UK | Position | Rank |
|---|---|---|---|---|---|
| Business sites (local units) (2026) | 5,070 sites | 128,250 | 3,232,440 | ranked 255 of 361 | |
| Business sites per 1,000 residents (2026) | 28.8 per 1,000 | 40.4 per 1,000 | 44.4 per 1,000 | ranked 348 of 361 | |
| Registered businesses (enterprises) (2026) | 4,115 businesses | 106,170 | 2,786,975 | ranked 269 of 361 | |
| Median annual pay, full-time residents (gross) (2025) | £35,367 | £36,288 | £38,490 | ranked 271 of 348 |
Jobs
| Indicator | Caerphilly | Wales | UK | Position | Rank |
|---|---|---|---|---|---|
| Employment rate, aged 16-64 (2025-2026) | 71.3% | 72.2% | 76.3% | ranked 285 of 347 | |
| Out-of-work benefit claimants, share of residents aged 16-64 (2026) | 3.5% | 3.4% | 3.2% | ranked 132 of 361 |
Transport
| Indicator | Caerphilly | Wales | UK | Position | Rank |
|---|---|---|---|---|---|
| Households without a car or van (2021) | 20.3% | 19.5% | 18.5% | ranked 128 of 318 |
Key points
Among the 22 local authorities in Wales, Caerphilly ranks 5 by population.
Households without central heating: 0.5% in Caerphilly, compared with an average of 1.1% in Wales and 1.5% across the UK.
Business sites per 1,000 residents: 28.8 per 1,000 in Caerphilly, compared with an average of 40.4 per 1,000 in Wales and 46.5 per 1,000 across the UK.
Largest business sector: Wholesale and retail trade, with 18.1% of the area's business sites.
Did you know?
- “Households without central heating”: lower than in 100% of local authorities.
- “Business sites per 1,000 residents”: lower than in 97% of local authorities.
- “Households renting privately”: lower than in 94% of local authorities.
- Its area is roughly equal to 38,850 football pitches.
- 2.2 times denser than the UK average.
- The nearest local authority is Torfaen, 10.1 km away.
- The nearest larger neighbour is Cardiff (381,516 residents), 17 km away.
Business sectors: Caerphilly
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 trade18.1% ×1.1
- Construction15.8% ×1.3
- Professional, scientific and technical8.3% ×0.6
- Accommodation and food services8.2% ×1.2
- Health and social work7.6% ×1.3
- Administrative and support services6.9% ×0.8
- Manufacturing6.7% ×1.6
- Transport and storage5.1% ×1.2
Where is Caerphilly?
Frequently asked questions
What is the population of Caerphilly?
Caerphilly has 176,078 residents (2025), ranking 137 of 361 local authorities.
How big is Caerphilly?
Caerphilly covers 277.4 km², with a density of 635 people per km².
Is the population of Caerphilly growing?
Between 2015 and 2025, the population of Caerphilly went from 178,269 to 176,078, a change of −1.2%.
Where is Caerphilly?
Caerphilly is in Wales (region). Latitude 51.656, longitude −3.183.
Households without central heating: what is the figure for Caerphilly?
In Caerphilly, “Households without central heating” stands at 0.5% (2021), ranking 316 of 318 local authorities; the UK median is 1.2%.
Business sites per 1,000 residents: what is the figure for Caerphilly?
In Caerphilly, “Business sites per 1,000 residents” stands at 28.8 per 1,000 (2026), ranking 348 of 361 local authorities; the UK median is 44.4 per 1,000.
Which local authorities border Caerphilly?
The nearest to Caerphilly are Torfaen (10 km), Blaenau Gwent (13 km), Newport (15 km), Merthyr Tydfil (17 km), Cardiff (17 km).