Llanidloes

Llanidloes
Llanidloes
Location within Powys
Population2,929 
OS grid referenceSN954845
 London211 miles (340 km) ESE
Community
  • Llanidloes
Principal area
Preserved county
CountryWales
Sovereign stateUnited Kingdom
Post townLLANIDLOES
Postcode districtSY18
Dialling code01686
PoliceDyfed-Powys
FireMid and West Wales
AmbulanceWelsh
UK Parliament
Senedd Cymru – Welsh Parliament

Llanidloes (Welsh pronunciation: [ɬanˈɪdlɔɨs] ) is a town and community on the A470 and B4518 roads in Powys, within the historic county boundaries of Montgomeryshire (Welsh: Sir Drefaldwyn), Wales. The population in 2011 was 2,929, of whom 15% could speak Welsh. It is the third largest settlement in Montgomeryshire, after Newtown and Welshpool.

It is the first town on the River Severn (Welsh: Afon Hafren), counting from the source. The town's Member of Parliament is Steve Witherden of the Labour Party (MP since 2024) and its Member of the Senedd is Russell George of the Conservatives (MS since 2011).