Ferndown is a town and civil parish in Dorset in southern England, immediately to the north of Bournemouth and Poole. The parish, which until 1972 was called Hampreston, includes the communities of Hampreston, Longham, Stapehill and Trickett's Cross. At the 2011 Census, the population of the parish was 26,559, making Ferndown the largest inland town in Dorset in terms of population, being larger than Dorchester.