In 1974 "old" Åstorp (a market town (köping) since 1946) was amalgamated with Kvidinge to form the present municipality.

There are 3 urban areas (also called a Tätort or locality) in Åstorp Municipality.

A small part of Åstorp is situated in Ängelholm Municipality.

This is a demographic table based on Åstorp 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 16,295 residents, including 11,089 Swedish citizens of voting age.