 Llandaff itself became a civil parish, and from 1894 to 1922, was part of the Llandaff and Dinas Powis Rural District.On 9 November 1922, the county borough of Cardiff was extended to include the area.At the United Kingdom Census 2011, the population of the Llandaff was 8,997; of whom 4,309 were male, and 4,688 female.