 The civil parish is formed by the village of Kirby Underdale and the hamlets of Garrowby, Painsthorpe and Uncleby.According to the 2011 UK Census, Kirby Underdale parish had a population of 125, a decrease on the 2001 UK Census figure of 129.The church, dedicated to All Saints, was designated a Grade I listed building in 1987 and is now recorded in the National Heritage List for England, maintained by Historic England.