The municipality receives its drinking water from the nearby lake Lygnern; the water undergoes a natural filtering process as it trickles through the ridge, contributing to its quality.

There are 22 urban areas (also called a tätort or locality) in Kungsbacka Municipality.

This is a demographic table based on Kungsbacka 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 83,376 residents, including 64,298 Swedish citizens of voting age.

Indicators are in percentage points except population totals and income.