Ruthin is the county town of Denbighshire in north Wales as well as a community in the southerly part of the Vale of Clwyd. The older community, the castle as well as St Peter's Square lie on a hill, yet several more recent components in the flood plain of the River Clwyd. This arised numerous times in the late 1990s-- flood-control jobs costing £ 3 million were completed in fall 2003. Ruthin is skirted by towns such as Pwllglas as well as Rhewl. The name comes from the Welsh words rhudd (red) as well as hullabaloo (fort), mirroring the colour of the sandstone bedrock, of which the castle was integrated in 1277-- 1284. The original name was Castell Coch yng Ngwern-fôr (Red Castle in the Sea Swamps). The mill neighbors. Maen Huail is a signed up ancient monument credited to the brother of Gildas as well as King Arthur, situated outside Barclays Bank in St Peter's Square. The population at the 2001 Census was 5,218, of whom 47 per cent were male as well as 53 per cent woman. The ordinary age of the population was 43.0 years and the population is 98.2 per cent "white". According to the 2011 census, 68 per cent were birthed in Wales and 25 per cent in England. Welsh audio speakers account for 42 percent of the community's population.