(Source: Hertfordshire County Council)
Population estimate (1999), 28,890.
A mainly residential town in an important geographical position with the Thames link railway direct to London, close to the M1 and with easy access to St Albans and London-Luton Airport.
Main industries include Rothamsted Experimental Station (one of the largest agricultural stations in the world), Interface Creative Marketing Solutions, BUPA Hospital, Cherry Electrical Products Ltd, Jarvis Contracting Ltd, Technicon and the supermarkets of J Sainsbury Plc and Waitrose Ltd.
Several medium to small sized employers are located on the industrial areas of Batford Mill, Coldharbour Lane, Southdown Road and Lea Industrial Estate.