It was created in 1894 as a result of the 1894 Local Government of England and Wales Act.
The council replaced the Mountain Ash Local Board of Health which had been established in 1867.
The council was based at Mountain Ash Town Hall.
[7] Only one ward was contested, namely Miskin, where Adam Clark regained a seat he has lost the previous year.
[8] In Duffryn Ward the sitting councillor William Litle was nominated but withdrew in favour of Gwilym Jones, a former member defeated in 1898.