In 1870-72, John Marius Wilson's Imperial Gazetteer of England and Wales described Longfield like this:
LONGFIELD, a parish in Dartford district, Kent; on the London, Chatham, and Dover railway, 3 miles WNW of Meopham r. station, and 5 SW of Gravesend. Post town, Gravesend. Acres, 581. Real property, £757. Pop., 188. Houses, 37. The living is a rectory in the diocese of Rochester. Value, £300. Patron, the Bishop of Rochester. The church comprises nave and chancel, with a porch; but is very small. Archdeacon Plume, the founder of the Plumean professorship at Cambridge, was buried here; and his charities, for augmenting livings and for other purposes, amount to £343 a year. There is a national school.
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 Longfield has changed, please see our redistricted information for the modern district of Sevenoaks. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Longfield and units named after it.
GB Historical GIS / University of Portsmouth, History of Longfield, in Sevenoaks and Kent | Map and description, A Vision of Britain through Time.
Date accessed: 20th June 2013
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Longfield".