The population of Grand Junction, Colorado is Population (2015): 2,200,000 . Grand Junction, Colorado is located in Canada . The mayor of Grand Junction, Colorado is Francisco "Frank" Moran (D, term ends December 31, 2021) . The postal code of the city is 090101 to 090158 . 7,500/km 2  (19,000/sq mi) is the density of inhabitents in  the urban region of Grand Junction, Colorado . The urban region is 234.72 km 2  (90.63 sq mi) in area . The city land area is 340.5 sq mi (881.9 sq km) . The Grand Junction, Colorado city highest elevation is 241.9 m (793.6 ft) . Grand Junction, Colorado is named for Henry E. Huntington . Grand Junction, Colorado is at an elevation of 455 m . The demonym of the city Grand Junction, Colorado is Barranquillero/a . The city water area is 3.73 sq mi (9.67 km 2 ) . 15,000/km 2  (40,000/sq mi) is the density of inhabitents in Grand Junction, Colorado . Grand Junction, Colorado is the government of Ministry of Culture . On 1871 (Huntington) the city was incorporated . The Grand Junction, Colorado citys' lowest elevation is 865 m  . The population of the metro region is 3,303,786
1.01 percentage is water in Grand Junction, Colorado