Coelbren has a population of 537, making it the 31st largest place in Sir Powys.
#31
of 41 in Sir Powys
The other populations of Coelbren
Depending on where you draw the boundary, Coelbren has between 290 and 537 residents. Both are correct.
| What you mean | Population | Source |
|---|---|---|
| The place itself The populated settlement, roughly the built-up core. |
537 | GeoNames |
| The built-up area Continuous development, where buildings sit less than 200m apart. Drawn from where the buildings are, not where the council boundary is. |
290 | ONS Census 2021 (2021) |
Why these differ: which population figure is right? · compare with another place
Year-by-year official estimates for the wider area: Powys population trends, 2001–2025.
Coelbren in context
4 km
south-west to Seven Sisters, the nearest larger town
23,051
people live within 10 km
#5,178
largest of 6,358 UK places
Distances are straight-line from the settlement's recorded coordinates. The 10 km figure sums the recorded places within that radius, so it describes how built-up the surroundings are rather than people per square kilometre.
The centre of Coelbren sits in postcode district SA10.
Go deeper
Population since 2001
Powys, year by year from ONS estimates
Postcode district SA10
Wards, constituencies and the deprivation profile
Nearby in Sir Powys
| # | Place | Population |
|---|---|---|
| 1 | Llanwrtyd Wells | 630 |
| 2 | Llandinam | 576 |
| 3 | Newbridge on Wye | 566 |
| 4 | Bronllys | 491 |
| 5 | Arddleen | 418 |
| 6 | Llanrhaeadr-ym-Mochnant | 408 |