In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Athelhampton like this:
ADMISTON, or Athelhampton, a parish in Dorchester district, Dorset; on the river Piddle, 5 miles NW of Moreton r. station, and 6 NE of Dorchester. Post town, Piddletown under Dorchester. Acres, 471. Real property, £1,026. Pop., 95. Houses, 13. This place is said to have been at one time the principal residence of the Kings of Wessex. The living is a rectory, united to the rectory of Burrelston, in the diocese of Salisbury. Value, £200. Patron, G. J. Wood, Esq. The church is perpendicular English, and has a tomb of Sir W. Martin.
A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing Athelhampton has changed, please see our redistricted information for the modern district of West Dorset. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Athelhampton and units named after it.
GB Historical GIS / University of Portsmouth, History of Athelhampton in West Dorset | Map and description, A Vision of Britain through Time.
Date accessed: 02nd April 2015
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Athelhampton".