The present municipality was created during the local government reform in the early 1970s.

The number of original local government entities (as of 1863) is eight.

This is a demographic table based on Vänersborg 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 39,574 residents, including 30,181 Swedish citizens of voting age.

Indicators are in percentage points except population totals and income.