Corby Borough Council was elected every four years. The council was abolished in 2021, with the area becoming part of North Northamptonshire.
The first election was held in 1973. The council then acted as a shadow authority alongside the outgoing authorities until 1 April 1974 when it formally came into being. From 1974 until its abolition in 2021, political control of the council was as follows:
The leaders of the council from 2005 until the council's abolition in 2021 were:
The scheduled 2019 elections were cancelled due to the creation of the new North Northamptonshire unitary authority in 2021.