The candidate of the All Progressives Congress (APC) was declared the winner of the March 18 governorship election in the state having polled 545,542.
Zulum defeated his closest contender, Mohammed Jajari of the Peoples Democratic Party (PDP) who scored 82,147.
The result was announced by INEC Returning Officer, Jude Rabo on Monday afternoon.
So far, the results of 20 governorship polls have been announced. The APC takes the lead with 14 states, the PDP with five states and the New Nigeria Peoples Party (NNPP) with one state. The election in Kebbi was declared inconclusive by the electoral body while the collation of the results of governorship polls in Abia and Enugu was suspended.