Ohimini local government area was created in 1996 and has its headquarters in Idekpa. The local government area is bordered by Otukpo and Okpokwu local government areas of Benue State as well as Olamaboro and Ankpa local government areas of Kogi State. The local government area derives its name from the beautiful Ohimini stream that flows in the area.
The people of the local government speak a dialect of Idoma and are primarily farmers with yam, guinea corn, groundnut, maize and cassava the main produce from the area.
Ohimini local government area is also blessed with vast forest reserve and trees from these forests produce the bulk of timber found in Otukpo timber market.
Aside Idekpa, other towns and villages in the local government area are Ochobo, Onyangede, Agadagba, Atilo, Awulema, Awule, ugene, Ehatokpe, Ojali, Ojano, Okete and Ankpechi.