[1] IFK Eskilstuna severals sports in the first half of the 20th century, among them handball, ice hockey and cross-country skiing and orienteering.

[3] Their first championship final match took place in 1921, when IFK defeated IK Sleipner 2–1 at the Stockholm Olympic Stadium before 11,695 spectators.

The marathon table of Allsvenskan teams shows IFK in 23rd position, their last season at the highest level being in 1964.

IFK reached the Allsvenskan qualifying stage in 1981 after winning Division 2 Norra by pipping Örebro SK to the top position.

[5] In November 2024, Armin Suljic took over as head coach for the club after Kent Andersson and Sebastian Larsson, who had lead team to relegation from the 2024 Division 2.

Famous footballers who have played for IFK Eskilstuna include Kenneth Andersson and Sebastian Larsson.