00°14′S 78°31′W﻿ / ﻿0.233°S 78.517°W are the coordinates of the city. . The postal code of the city is 8320000 . Marvin Rees (Lab) is the mayor of Grand Junction, Colorado . Grand Junction, Colorado is the government of U.S. National Park Service . The urban region is Area: 2,787 km2 (1,076 sq mi) in area .  The city area code is (+20) 2 . Grand Junction, Colorado is located in Magelang, Central Java . The water area of the city is 1.63 sq mi (4.23 km 2 ) 1.1% . Grand Junction, Colorado is at an elevation of 4 m . The lowest elevation of Grand Junction, Colorado is 246 ft . The density of  residents in Grand Junction, Colorado is 1,900/km 2  (5,000/sq mi) . The city land area is 340.5 sq mi (881.9 sq km) . The demonym of the city Grand Junction, Colorado is cuzqueno/a . The highest elevation of Grand Junction, Colorado is 33 m (108 ft) . 2,500/km 2  (6,600/sq mi) is the density of residents in  the metro region of Grand Junction, Colorado . The area of the city is 2,121 km 2  (819 sq mi) . The area of the metro region is Area: 5,925 km2 (2,288 sq mi) . This city is named after Christopher Columbus
Hou You-yi (KMT) is an important person in the city Grand Junction, Colorado