The PDP won the chairmanship position in all eight local government areas and all the councillorship positions in the 105 wards, according to the results announced by the commission in Yenagoa on Sunday.
The major opposition party in the state, the All Progressives Congress, shunned the poll as it did not field candidates.
In Yenagoa LGA, the BYSIEC’s returning officer, Wisdom Soreh, declared Buloudisiye Ndiwari as the winner after he polled 56, 103 votes.
The returning officer for Sagbama LGA, Prof Abiodun Adelegan, declared Alice Tangi as the winner.
She polled a total of 51,543 votes.
In Ogbia LGA, the returning officer, Tams Deiduomo, declared Golden Jeremiah, who polled 42,462 votes, as the winner.
The returning officer for Southern Ijaw LGA, Ebi Stanley-Udisi, announced Target Segibo as the winner, garnering 36,326 votes.
In Nembe LGA, the immediate-past Commissioner for Agriculture, David Alagoa, polled 11,829 votes to win the election as declared by the returning officer, Prof Festus Akpotohwo.
In Kolokuma/Opokuma LGA, the returning officer, Prof Apuega Arikawei, declared Lelei Tariye as the winner with 27,823 votes.
Also, the returning officer for Ekeremor LGA, Prof Joseph Omoro, declared Onniye Isaac as the winner with 35,177 votes, while in Brass LGA, Febo Lucky of the PDP was declared the winner by the returning officer, Prof Joseph Omoro.