Arddleen has a population of 418, making it the 33rd largest place in Sir Powys.
The other populations of Arddleen
The same name covers more than one area, and each has its own figure.
| What you mean | Population | Source |
|---|---|---|
| The place itself The populated settlement, roughly the built-up core. |
418 | 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. |
430 | ONS Census 2021 (2021) |
Why these differ: which population figure is right? · compare with another place
Arddleen in context
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 Arddleen sits in postcode district SY22.
Schools
| Maintained schools in the built-up area | Count |
|---|---|
| Primary schools | 1 |
From the Welsh Government's address list of schools (April 2026), located to this built-up area by postcode. Maintained schools only. No capacity or fill figures are shown: Wales publishes no per-school capacity file beside the address list, and the English pages' fill rates come from exactly such a file, so a Welsh version would be a guess.
Broadband
| Availability | % of homes |
|---|---|
| Gigabit-capable (1,000 Mbit/s+) | 59.3% |
| Superfast (30 Mbit/s+) | 98.1% |
| Unable to get 10 Mbit/s download | 4 homes (1.9%) |
Share of the 209 residential premises in this built-up area that the fixed network can serve at each speed, from Ofcom's Connected Nations coverage data (network state July 2025). Availability is what the line to a home can deliver if ordered, not what households actually subscribe to, and a full-fibre street where everyone bought the cheapest package shows 100% here. Percentile compares towns of 10,000+ residents. Compare towns →
Go deeper
Nearby in Sir Powys
| # | Place | Population |
|---|---|---|
| 1 | Newbridge on Wye | 566 |
| 2 | Coelbren | 537 |
| 3 | Bronllys | 491 |
| 4 | Llanrhaeadr-ym-Mochnant | 408 |
| 5 | Norton | 375 |
| 6 | Pontneddfechan | 366 |