1501, until the eastern part of the district was split off to create Krachi East District on 4 August 2004 (which was later elevated to municipal district assembly status to become Krachi East Municipal District on 14 November 2017 (effectively 15 March 2018); which was established by Legislative Instrument (L.I.) 2281), which was established by Legislative Instrument (L.I.) 1747; thus the remaining part has been renamed to become Krachi West District.
The eastern portion of the district was separated on August 4, 2004, and became Krachi East District. This district was later elevated to municipal district assembly status and is now Krachi East Municipal District. The remaining part of the district was renamed to become Krachi West District.