Rainham belongs of the Medway Towns conurbation its population often included under Gillingham in the unitary authority of Medway, in South East England, as well as part of the ritualistic county of Kent. Historically, Rainham was a different village up until, in 1928, it was contributed to the Local Borough of Gillingham, which was initially developed in 1903 and was grouped right into the latter's built-up area in analysis of the 2011 census by the Office for National Statistics. It entered into the Medway authority when Gillingham was incorporated with the various other communities to create Medway Unitary Authority in 1998. It has its own recreation and also retail center and unlike Gillingham has a typical area generally to the south as well as which because the late 20th century is largely residential housing. Rainham was initially a linear settlement along the highway. The population in 1801 was 422; 2 centuries later it is well over 6 thousand. Part of the reason for this substantial growth can be credited to the train. When the railway was available in 1858 it brought a nearly prompt rise in the dimension of the town; when the Chatham Main Line was amazed in 1959, as with all the locations offered by it, town growth began again. Among the outcomes was the structure of Parkwood estate.