The winner, Sunday Karimi, polled 288 votes to floor Mr Adeyemi and four other aspirants.
Incumbent senator Smart Adeyemi on Saturday lost his bid to return to represent Kogi West senatorial district at the National Assembly.
He lost the ticket of the All Progressives Congress to Sunday Karimi, who polled 288 votes to floor Mr Adeyemi and four other aspirants at the election held in Kabba.
Mr Adeyemi got 43 votes while Muri Aina got 73, Adedoyin Eshanumi got one vote, Mohamed Wambai got nine votes, and Christopher Oni got one vote.
Mr Karimi had earlier represented Yagba Federal Constituency at the House of Representatives between 2011 and 2016.
Speaking shortly after his Victory, Mr Karimi expressed gladness at the outcome of the election, assuring his constituents of a responsive and quality representation at the Senate.
“If elected, I will justify the confidence reposed in me by the delegates and the APC, my very party,” the senatorial candidate said.
Also on Saturday, Abubakar Ohere won the APC ticket for Kogi Central senatorial district, and incumbent senator Jibrin Isah beat Yahaya Audu, brother to late Abubakar Audu and former governor of Kogi to pick the party’s ticket for Kogi East senatorial district.