Oyun Local Government Area was created out of the old Oyun-Offa Local Government Area in August, 1991 with headquarters at Ilemona. The local government has 10 wards.

Districts: Oke-Ogun, Odo-Ogun.

Road Distance: From the State Capital to Ilemona (LGA Headquarters) is 66km.

Population: 56,006 (27,904 males, 28,102 females) 1991 census

Major Towns: Erin-Ile, Irra, Igosun, Ojoku, Igbona, Inaja, Ikotun, Ijagbo.

Important Markets: Erin-Ile, Irram Igosun.

Major Language: Yoruba.

Natural Resources: Potatoes, Mango, Corn and Cassava.

Mineral Resources: Granite.

Major Festivals: Egungun, Onimoka Festival.

Tourist Attractions: House of Oya in Irra.

Hotels and Restaurants: River Side Hotel, Jubilee Hotels Ipee, Eniola Hotels Erin-Ile, Iyalaya Hotels, Ramola Hotel Ijagbo.

COMMERCIAL INSTITUTION
Afribank Plc, Erin-Ile.