Gorseinon is a district town in Swansea, Wales, near the Loughor estuary. It was a small village until the late 19th century when it grew around the coal mining and tinplate industries. It is situated in the north west of Swansea City Centre, around north west of the city centre. Gorseinon is also a local Government community with its own elected town council.
The population of the Gorseinon town council area in the 2011 Census is 8,693. However, the ONS defines an area called the Gorseinon Urban Area which comprises all of the continuous built up area in and around Gorseinon. This area includes Gorseinon, Loughor, Garden Village and Penllergaer. and has a population of 20,581.
The first three maps are provided by A Vision of Britain through Time
These maps were found on Wikimedia Commons
These maps of Glamorgan post-1974 were found on another site and are very useful for sorting out the up-to-date geography of the area