In December 2018 Louise Erixon, partner of Jimmie Åkesson, the populist party's leader of Sweden Democrats, was made mayor of Sölvesborg.

There are 10 urban areas (also called a Tätort or locality) in Sölvesborg Municipality.

This is a demographic table based on Sölvesborg 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 17,519 residents, including 13,897 Swedish citizens of voting age.

All parishes belonged to Lister Hundred: Sölvesborg is twinned[4] with: