The Aberdare West community came into effect on 1 December 2016 following the enactment of The Rhondda Cynon Taf (Communities) Order 2016.[1] The area includes the populated areas of Cwmdare, Trecynon and Robertstown as well as the more rural area surrounding the River Dare, west of Aberdare.
According to the 2021 UK Census Aberdare West had a population of 7,973. 98.3% described their ethnicity as white.[2]