1904 Glamorgan County Council election
The 1904 Glamorgan County Council election was the sixth contest for seats on this authority in south Wales. It was preceded by the 1901 election and followed by the 1907 election. Glamorgan was by far the largest county in Wales in terms of population. Glamorgan County Council had been established by the Local Government Act 1888, the first elections being held in early 1889.