 The city area code is 22 . The population of the metro region is 4,597,134 . The postal code of the city is 080020 . The city Columbia, South Carolina demonym is Indorian . The area of the urban region is 234.72 km 2  (90.63 sq mi) . This city is named after Quitu . The city water area is 21 km 2  (8 sq mi) . The city land area is 138.75 sq mi (359.36 km 2 ) . Columbia, South Carolina is the government of National Park Service . The Columbia, South Carolina citys' lowest elevation is 75 m  . The mayor of Columbia, South Carolina is Pedrito Tomas Pereira Caballero . The coordinates of the city are  39°1′10″N 125°44′17″E﻿ / ﻿39.01944°N 125.73806°E . Columbia, South Carolina is located in Germany . The density of  inhabitents in Columbia, South Carolina is 9,584.10/sq mi (3,717.14/km 2) . Population (2012): 3,937,451 is the population of Columbia, South Carolina . The density of  residents in  the metro region of Columbia, South Carolina is 1,500/km 2  (3,900/sq mi) . The Columbia, South Carolina city highest elevation is 770 m (2,530 ft) . The density of  people in  the urban region of Columbia, South Carolina is 14,100/km 2  (37,000/sq mi) . On 1799 (Guyandotte) the city was incorporated . The province of the city Columbia, South Carolina is Sichuan
Land covers138.75 sq mi area of the city