39°08′N 117°11′E﻿ / ﻿39.133°N 117.183°E are the coordinates of the city. . The land area of the city is 314.95 sq mi (815.72 km 2 ) . The province of the city Delhi is Algiers Province . (+20) 2 is the area code of Delhi . 15,000/km 2  (40,000/sq mi) is the density of residents in Delhi . This city is named after Henry E. Huntington . Delhi is at an elevation of 17 m . Delhi is located in Republic of the Congo . The city Delhi demonym is Catanesi . 720/km 2  (1,900/sq mi) is the density of people in  the metro region of Delhi . The lowest elevation of Delhi is 246 ft . The mayor of Delhi is Ali kamalizade . The city has the postal code 95100 . The area of the urban region is Area : 598.75 km2 (231.18 sq mi) . The density of  residents in  the urban region of Delhi is 464.71/km 2  (1,203.6/sq mi) . The area of the metro region is Area: 2,805 km2 (1,083 sq mi) . The city water area is 4.12 sq mi (10.67 km 2 )
The urban region of Delhi is 598.75 km2