Oyonnax (French pronunciation: ​[ɔjɔna]) is the seicont maist populatit commune in the Ain depairtment in the Auvergne-Rhône-Alpes region in eastren Fraunce.

Oyonnax
Vue générale Oyonnax.jpg
Coat o airms o Oyonnax
Coat o airms
Oyonnax is locatit in Fraunce
Oyonnax
Oyonnax
Location within Auvergne-Rhône-Alpes region
Oyonnax is locatit in Auvergne-Rhône-Alpes
Oyonnax
Oyonnax
Coordinates: 46°15′22″N 5°39′20″E / 46.2561°N 5.6556°E / 46.2561; 5.6556Coordinates: 46°15′22″N 5°39′20″E / 46.2561°N 5.6556°E / 46.2561; 5.6556
KintraFraunce
RegionAuvergne-Rhône-Alpes
DepairtmentAin
ArrondissementNantua
CantonOyonnax
IntercommunalityOyonnax
Govrenment
 • Mayor (2014–2020) Michel Perraud (PR)
Area
1
35.99 km2 (13.90 sq mi)
Population
 (2014)2
22,485
 • Density620/km2 (1,600/sq mi)
Time zoneUTC+1 (CET)
 • Summer (DST)UTC+2 (CEST)
INSEE/Postal code
01283 /01100
Elevation440–1,082 m (1,444–3,550 ft)
(avg. 540 m or 1,770 ft)
1 French Laund Register data, that excludes lochs, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) an river estuaries. 2 Population withoot dooble coontin: residents o multiple communes (e.g., students an militar personnel) anerly coontit ance.