The estimated population in Dulwich Hill as of 2011 was 12,981 and the postcode of this suburb is 2203. The suburb covers a land area of about 2.2km2.
Suburbs which are surrounded by Dulwich are Summer Hill, Hurlstone Park, Earlwood, Lewisham, Earlwood, Petersham, Marrickville and Marrickville South.
Dulwich include small number of shops near the railway station and the primary shopping area around the intersection of Marrickville Road and New Canterbury Road. In addition, the suburb encompasses cafes and restaurants which have become well-known as it becomes modernized.
Dulwich Hill has some lovely tourist attractions and heritage sites such as Brays Bay Reserve, Peg Paterson Park, Rhodes Park, Bird Hide, Newington Armory, Lane Cove River Tourist Park, Australian National Maritime Museum etc.
Dulwich Hill offers excellent public transport services where it comprises one railway station, four light rail stops. The bus services are also operated between the Dulwich Hill and the Sydney Central Business District.