of Nigeria, the East Central State was merged until 1976 when Imo including Abia, was formed by Murtala Muhammed. Eastern Imo would later become the old Abia State after a split. In 1996, part of Abia's northeast was removed to form a part of the new Ebonyi.

The Igbo people make up 100 percent of the state's population and the official language is Igbo..