The present municipality was created in 1971, when the City of Sala was amalgamated with the rural municipalities Möklinta and Tärna and a part of Västerfärnebo.
This is a demographic table based on Sala 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 22,969 residents, including 17,496 Swedish citizens of voting age.[3] 46.1% voted for the left coalition and 52.6% for the right coalition. Indicators are in percentage points except population totals and income.