Licensed since 1282 to hold a regular market. Until 1918, the town (named earlier also JMST) was part of the Austrian monarchy (Austria side after the compromise of 1867), head of the district of the same name, one of the 21 Bezirkshauptmannschaften in the Tyrol province.
In 1958, the first artificially refrigerated track was completed at Imst. The track was 1000.9 meters long with 17 turns and a vertical drop of 124.8 meters, giving the track an average grade of 12.48%. No turn names were given for the track.