Dunster Authority, which is known as a 'single-purpose' authority, whose purpose is to "conserve and enhance the natural beauty, wildlife and cultural heritage of the National Parks" and "promote opportunities for the understanding and enjoyment of the special qualities of the Parks by the public", including responsibility for the conservation of the historic environment. Dunster is the most populous area of the electoral ward named 'Dunster and Timbercombe'. The ward extends North East to the Bristol Channel and South West to Timberscombe. The total population at the 2011 Census was 1,219. It is also part of the Bridgwater and West Somerset
Dunster Castle castle include the original 13th-century gates and several pieces of art, including a Tudor copy of Hans Eworth's famous allegorical portrait of Sir John Luttrell, and a sequence of leather tapestries showing scenes from the story of Antony and Cleopatra. The castle also holds a piano that once belonged to the composer Vivian Ellis. The gardens surrounding the castle cover approximately and include the National Plant Collection of Strawberry Trees; the wider parkland beyond totals . Just to the south of the castle is the restored 18th-century castle watermill. In 2017 the castle received 209,245 visitors. Dunster Castle has been