68.17 sq mi (176.56 sq km) is the area of the city namedDelhi . The city has the postal code 8320000 . Delhi is the government of Bristol City Council . The mayor of Delhi is Kwon Young-jin , (Liberty Korea) . On 1 October 1984 the city was incorporated . The land area of the city is 153.33 sq mi (397.13 km 2 ) . Delhi is at an elevation of 9350 ft . The highest elevation of Delhi is 324 m (1,063 ft) . 57 + 5 is the area code of Delhi . This city is named after Christopher Columbus . The demonym of the city Delhi is Indori . The urban region has 3,372,090 population . 720/km 2  (1,900/sq mi) is the density of residents in  the metro region of Delhi . The density of  inhabitents in  the urban region of Delhi is 8,600/km 2  (22,000/sq mi) . 850/km 2  (2,200/sq mi) is the density of inhabitents in Delhi . Delhi is located in Philippines . The water area of the city is 28.08 km 2  (10.84 sq mi)
68.17 sq mi is covered by the city