The density of  inhabitents in  the urban region of Boulder, Colorado is 4,800/km 2  (12,000/sq mi) . Tang Liangzhi is the mayor of Boulder, Colorado . The lowest elevation of Boulder, Colorado is 378 m  . The population of Boulder, Colorado is Population: 971,592 (2016) . The city has the postal code 16000 . The city province is Algiers Province . Boulder, Colorado is at an elevation of 910 ft . Boulder, Colorado is located in Czech Republic . The density of  residents in  the metro region of Boulder, Colorado is 210.9/km 2  (546.2/sq mi) . The water area of the city is 1.63 sq mi (4.23 km 2 ) 1.1% . The Boulder, Colorado city highest elevation is 14,110 ft (4,300 m) . Boulder, Colorado is the government of U.S. National Park Service . The metro region is 474.649 sq mi (1,229.34 km2) in area . The land area of the city is 8.921 sq mi (23.106 km 2 ) . The demonym of the city Boulder, Colorado is Barranquillero/a . On 1799 (Guyandotte) the city was incorporated .  The city area code is 216  (Asian side) . The density of  people in Boulder, Colorado is 3,200/km 2  (8,200/sq mi) . The urban region is 227.70 km 2  (87.92 sq mi) in area . 0°57′50″N 74°47′47″W﻿ / ﻿10.96389°N 74.79639°W are the coordinates of the city.
Boulder, Colorado is 1358 mabove sea level