Idrottsföreningen Kamraterna Eskilstuna, which is the club's full name, were founded on 9 September 1897 and have a long rivalry with Eskilstuna City FK. Historically IFK Eskilstuna have the stronger record having spent 14 seasons in the Allsvenskan but currently Eskilstuna City FK play in a higher division. In 1910, IFK participated in the first Svenska Serien along with IFK Göteborg, Örgryte IS, AIK and IFK Norrköping. 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. They competed in another championship final match in 1923, this time going down 5–1 to AIK.