Mayorkun was born on March 23, 1994 in Osun State. He is the first child of three, born into a family of entertainers. His mother is a Nollywood actress and his father, an artist and movie producer. Mayorkun was part of the choir at a very young age where he, according to him, "learnt the rudiments of music". He has a degree in accounting from the University of Lagos, and was in a banking job before he was discovered in 2016.
Mayorkun decided to leave his bank job to search for another due to bad pay, when his cover video was spotted by Davido in February 2016. Davido followed him on Twitter and Instagram, after which Davido asked him if he can do more than play the keyboard. He got a call from Davido the same day he wrote his resignation letter and sent Davido some of the songs he already recorded. Davido decided to sign him to Davido Music Worldwide.
Mayorkun released his first single under the label called "Eleko" in 2016. The video of the song gathered a million views in the first 10 days.
To his name, Mayorkun has several singles including Yawa, Sade, Che Che, and Mama. In October 2018, he released singles "Posh" and "Fantasy" featuring Olu Maintain in anticipation of his first studio album titled "The Mayor of Lagos".
The Mayor of Lagos was released on the 16th of November 2018. On December 1, 2018, it appeared on the Billboard World Albums chart, peaking at number 15.