The Grand Junction, Colorado city highest elevation is 33 m (108 ft) . The city has the postal code 8320000 . The density of  residents in Grand Junction, Colorado is 1,900/km 2  (5,000/sq mi) . The city Grand Junction, Colorado demonym is cuzqueno/a . The Grand Junction, Colorado citys' lowest elevation is 75 m  . Grand Junction, Colorado is the government of U.S. National Park Service . Grand Junction, Colorado is located in Magelang, Central Java . The city is 2,121 km 2  (819 sq mi) in area . 2,500/km 2  (6,600/sq mi) is the density of residents in  the metro region of Grand Junction, Colorado . The water area of the city is 1.63 sq mi (4.23 km 2 ) 1.1% . 00°14′S 78°31′W﻿ / ﻿0.233°S 78.517°W are the coordinates of the city. . Grand Junction, Colorado is at an elevation of 4 m . The urban region is Area: 2,787 km2 (1,076 sq mi) in area . Marvin Rees (Lab) is the mayor of Grand Junction, Colorado .  The city area code is (+20) 2 . The metro region is Area: 5,925 km2 (2,288 sq mi) in area . Grand Junction, Colorado is named for Christopher Columbus . The city land area is 340.5 sq mi (881.9 sq km)
1.63 sq mi area of the city Grand Junction, Colorado is water