Mariestad Municipality is situated on Lake Vänern and is visited by many tourists in summer.

North of the city, in Sjötorp, Göta Canal meets Lake Vänern.

Population centers in the municipality include: The largest employers are Electrolux home products and Katrinefors bruk, a part of Metsä Tissue AB.

This is a demographic table based on Mariestad 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 24,698 residents, including 19,407 Swedish citizens of voting age.