The urban region has Population: 3,160,000 (2006) population . Takele Uma Benti is the mayor of Karachi . (+20) 2 is the area code of Karachi . The Karachi city highest elevation is 1,879 m (6,165 ft) . The metro region has Population: 3,113,725  population . The city province is Jilin . The city Karachi demonym is Recifense . The land area of the city is 16.0 sq mi (41.4 sq km) . The Karachi citys' lowest elevation is 0 ft . The coordinates of the city are 59°20′17″N 018°04′20″E﻿ / ﻿59.33806°N 18.07222°E﻿ / 59.33806; 18.07222 . The water area of the city is 4.12 sq mi (10.67 km 2 ) . On November 7, 1861, as Denver City, C.T. the city was incorporated . Karachi is at an elevation of 16 ft . The city has the postal code 130000 . Karachi is named for Christopher Columbus . Karachi is located in Sanma Province, Vanuatu . 3,351/km 2  (8,680/sq mi) is the density of people in Karachi . 210.9/km 2  (546.2/sq mi) is the density of residents in  the metro region of Karachi . 4,800/km 2  (12,000/sq mi) is the density of inhabitents in  the urban region of Karachi . Karachi is the government of Municipality of Quito
Land covers 705 sq mi area of the city