Sion Mills

Sion Mills
  • Irish: Muileann an tSiáin
Herdman's Mill
Sion Mills
Location within Northern Ireland
Population1,970 (2021 census)
Irish grid referenceH339932
• Belfast84 mi (135 km)
District
County
CountryNorthern Ireland
Sovereign stateUnited Kingdom
Post townSTRABANE
Postcode districtBT82
Dialling code028, +44 28
UK Parliament

Sion Mills is a village to the south of Strabane in County Tyrone, Northern Ireland, on the River Mourne. In the 2021 census it had a population of 1,970 people. It is a tree-lined industrial village and designated conservation area, particularly rich in architectural heritage.

The village of Sion Mills was established by the Herdman family in 1835. The family operated a linen production mill in the village.