Rainham belongs of the Medway Towns urban sprawl its population commonly consisted of under Gillingham in the unitary authority of Medway, in South East England, and also part of the ceremonial region of Kent. Historically, Rainham was a different village till, in 1928, it was contributed to the Local District of Gillingham, which was initially developed in 1903 and was grouped into the latter's built-up area in analysis of the 2011 census by the Office for National Statistics. It became part of the Medway authority when Gillingham was incorporated with the other towns to form Medway Unitary Authority in 1998. It has its very own leisure and retail center and also unlike Gillingham has a standard location generally to the south and which given that the late 20th century is greatly residential real estate. Rainham was originally a direct settlement along the highway. The population in 1801 was 422; 2 centuries later it is well over 6 thousand. Part of the factor for this big development can be attributed to the railway. When the railway can be found in 1858 it brought a practically immediate boost in the dimension of the town; when the Chatham Main Line was electrified in 1959, as with all the places served by it, town growth began again. Among the outcomes was the building of Parkwood estate.