Ongar is a civil parish in the Epping Forest Area in Essex, England. Apart from the community of Chipping Ongar it additionally includes Greensted, Greensted Green, Marden Ash and Shelley. The neighborhood council of the parish is Ongar Community Council. Located about 21 miles northeast of London, it is a partially developed church with large sections of open land. As at the 2001 census the population was 6,069 as well as 51.7% lady. There are 2,494 households, with an average family dimension of 2.43. The population has decreased by 8% since 1991, the largest decrease in the district.