Ruthin is the county town of Denbighshire in north Wales and a neighborhood in the southern part of the Vale of Clwyd. The older community, the castle and also St Peter's Square lie on a hill, but lots of newer components in the flood plain of the River Clwyd. This emerged a number of times in the late 1990s-- flood-control jobs setting you back £ 3 million were finished in fall 2003. Ruthin is skirted by villages such as Pwllglas and also Rhewl. The name originates from the Welsh words rhudd (red) and also racket (ft), showing the colour of the sandstone bedrock, of which the castle was constructed in 1277-- 1284. The original name was Castell Coch yng Ngwern-fôr (Red Castle in the Sea Swamps). The mill is nearby. Maen Huail is a signed up ancient monument attributed 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 and 53 per cent lady. The ordinary age of the population was 43.0 years as well as the population is 98.2 percent "white". According to the 2011 census, 68 per cent were born in Wales and 25 percent in England. Welsh audio speakers represent 42 per cent of the town's population.