Ongar is a civil parish in the Epping Forest District in Essex, England. Other than the town of Chipping Ongar it also consists of Greensted, Greensted Green, Marden Ash as well as Shelley. The neighborhood council of the parish is Ongar Community Council. Found about 21 miles northeast of London, it is a partly created parish with big sections of open land. As at the 2001 census the population was 6,069 and also 51.7% female. There are 2,494 houses, with an average household size of 2.43. The population has decreased by 8% considering that 1991, the largest drop in the district.