Its seat is located in the town of Hallsberg, which is the main railway hub for the central Swedish interior.

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

The exact results of Sweden Democrats were not listed at a municipal level by SCB from 1988 to 1998 due to the party's small size at the time.

Blocs This lists the relative strength of the socialist and centre-right blocs since 1973, but parties not elected to the Riksdag are inserted as "other", including the Sweden Democrats results from 1988 to 2006, but also the Christian Democrats pre-1991 and the Greens in 1982, 1985 and 1991.

New Democracy got elected in 1991 but are still listed as "other" due to the short lifespan of the party.