Tillingham is a small village and civil parish with 1,015 inhabitants in 2001, increasing to 1,058 at the 2011 Census. Located 8 miles (13 km) from Burnham-on-Crouch and 3 miles (4.8 km) from Bradwell-on-Sea, on the Dengie Peninsula which is a Maldon District part of the ceremonial county of Essex in England. It is one of the villages that make up the ancient Dengie Hundred, which is bounded by the North Sea, River Blackwater and River Crouch.
The village has strong links with St Paul's Cathedral in London. The Corporation of the Cathedral Church of St Paul owns three arable farms, domestic properties and a significant amount of surrounding land.
Tillingham village is clustered around the main street with a historic centre that has been designated as a conservation area.
The conservation area in Tillingham was designated on 15 July 1969, since which there have been no revisions to the boundaries. It covers the historic settlement, which at the time of designation comprised the majority of the village.
The conservation area centres on the parish church of St. Nicholas and The Square stretching along the linear pattern of North Street and South Street. Short lengths of side roads off The Square and North and South Streets are also included: these are Brook Road, Bradwell Road, Marsh Road, Vicarage Lane, Casey Lane, Chapel Lane and Marlborough Avenue.