Obi local government area was in 1996 and has one of the 22 Idoma districts; Ito. The local government headquarters is at Obarike-Ito. The local government area derives its name from the Obi stream that flows in the area and shares boundary with Ado, Otukpo and Oju local government areas of Benue State. In the March 2006 census, Obi local government area had a population of 98,707 and was projected to be 133,200 in 2016.
The people of Obi local government area speak Igede language and are predominantly farmers with maize, cassava, groundnut and yams the main farm produce.
The local government area is home of the popular Igede-Agba festival, a colourful annual celebration of yam harvest season in September.
The Och’Idoma II, Agabaidu Ajene Okpabi, was from this local government area.