| Boën-sur-Lignon | ||
|---|---|---|
| Commune | ||
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 A general view of Boën-sur-Lignon 
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| Coordinates: 45°44′47″N 4°00′18″E / 45.7464°N 4.005°ECoordinates: 45°44′47″N 4°00′18″E / 45.7464°N 4.005°E | ||
| Country | France | |
| Region | Auvergne-Rhône-Alpes | |
| Department | Loire | |
| Arrondissement | Montbrison | |
| Canton | Boën-sur-Lignon | |
| Intercommunality | Pays d'Astrée | |
| Government | ||
| • Mayor (2008–2014) | Lucien Moullier | |
| Area1 | 6 km2 (2 sq mi) | |
| Population (2009)2 | 3,160 | |
| • Density | 530/km2 (1,400/sq mi) | |
| Time zone | CET (UTC+1) | |
| • Summer (DST) | CEST (UTC+2) | |
| INSEE/Postal code | 42019 /42130 | |
| Elevation | 374–557 m (1,227–1,827 ft) | |
| Website | http://www.boen.fr/ | |
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 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries. 2Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once. | 
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1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.
Boën-sur-Lignon, formerly Boën, is a commune in the Loire department in central France.
The river Lignon du Forez flows through the commune.