In 1971 the City of Borås was made a municipality (kommun) when the unitary type of local government unit was introduced in Sweden.

In 1995 the western part was separated, creating Bollebygd Municipality.

This decision is purely nominal and has no effect on the legal status of the municipality.

This is a demographic table based on Borås Municipality's electoral districts in the 2022 Swedish general election sourced from SVT's election platform, in turn taken from SCB official statistics.

[3] In total there were 113,940 residents, including 83,786 Swedish citizens of voting age.