The city Christchurch demonym is Tbilisian , Tbilisite . Christchurch is the government of Parks Canada . The metro region is 1,371.76 km 2  (529.64 sq mi) in area . Christchurch is at an elevation of 990 m . The postal code of the city is 34000 to 34990 . Christchurch is located in United States . On 1842 the city was incorporated . The mayor of Christchurch is Takele Uma Benti . The water area of the city is 3.4 sq mi (8.8 sq km) . 7,400/km 2  (19,000/sq mi) is the density of residents in Christchurch . The Christchurch city highest elevation is 241.9 m (793.6 ft) . The city province is Lusaka Province . This city is named after Confluence of Grand River and Gunnison River . The density of  inhabitents in  the urban region of Christchurch is 2,305/km 2  (5,970/sq mi) . The area of the city is Area : 22,142 km2 (8,549 sq mi) . The area of the urban region is 2,122 sq mi (5,496 sq km ) . +57 2 is the area code of Christchurch . The lowest elevation of Christchurch is 75 m  . 662.1/km 2  (1,715/sq mi) is the density of residents in  the metro region of Christchurch . The coordinates of the city are 7°36′29″S 110°12′14″E﻿ / ﻿7.608°S 110.204°E﻿ / -7.608; 110.204
There are 7400 residents per km 2 in Christchurch