Transportation links are provided by the western main line railway (Västra stambanan) between Stockholm and Gothenburg, and by motorway through the European route E20.

[3] Alingsås was founded as inhabitants from the city Nya Lödöse were made homeless as Danish troops burnt it down.

[6] In April 2021, archaeologists announced the discovery of 2,500-year-old Bronze Age ornaments which can be related with a woman of high status.

The last person to make the castle his permanent home was fisherman Nils Andersson, who paid his rent in fish.

[12] Alingsås museum was founded in 1928, and contains memorial collections of photographs and the municipal archives, as well as hosting several exhibitions.

[14] Karin Boye, a Swedish writer, committed suicide in a forest in the Alingsås city district of Nolby in 1941.

The place is now a memorial, and a popular visiting site for schoolclasses, taking the "Karin Boye tour".

[11] To help them, they get about 65 international students of architecture, and together they have one week to create the vision of the lightning designers, who act as workshop leaders.

Swimming, figure skating, ice hockey, track and field, orienteering, soccer, handball and floorball are some of the more popular sports.

[18] AHK, the handball association of Alingsås, yearly hosts a tournament where teams from all over the country can join and play against each other.