On 1842 the city was incorporated . The city Grand Junction, Colorado demonym is Tbilisian , Tbilisite . The density of  inhabitents in Grand Junction, Colorado is 985.13/km 2  (2,551.5/sq mi) . The water area of the city is 551.92 sq mi (1,429.46 km 2 ) .  The city area code is 242 . 1,600/sq km  (4,200/sq mi) is the density of people in  the metro region of Grand Junction, Colorado . The highest elevation of Grand Junction, Colorado is 5,364 m (17,598 ft) . The lowest elevation of Grand Junction, Colorado is 1,750 m . Grand Junction, Colorado is named for Society of the Cincinnati . Grand Junction, Colorado is located in Republic of the Congo . The coordinates of the city are  39°1′10″N 125°44′17″E﻿ / ﻿39.01944°N 125.73806°E . Area:   6,800 km2 (2,600 sq mi) is the area of the urban region of Grand Junction, Colorado . The city Grand Junction, Colorado province is Gauteng . The mayor of Grand Junction, Colorado is Tang Liangzhi . The population of the metro region is 1,485,293 . Grand Junction, Colorado is at an elevation of 1839 m . The density of  residents in  the urban region of Grand Junction, Colorado is 8,600/km 2  (22,000/sq mi) . The land area of the city is 194.74 sq mi (504.38 km 2 ) . The city is 344.5 km 2  (133.01 sq mi) in area
73.93 percentage is water in Grand Junction, Colorado