The water area of the city is 0.36 sq mi (0.92 km 2 ) . The urban region is Area : 251 km2 (97 sq mi) in area . The city was incorporated in March 6, 1836 (city) . The land area of the city is 316.42 km 2  (122.17 sq mi) . +226 is the area code of Christchurch . The density of  inhabitents in  the urban region of Christchurch is 14,708.8/km 2  (38,096/sq mi) . This city is named after Confluence of Grand River and Gunnison River . Christchurch is located in Miami-Dade, Monroe, & Collier counties, Florida, United States . The coordinates of the city are 7°23′47″N 3°55′0″E﻿ / ﻿7.39639°N 3.91667°E . The demonym of the city Christchurch is Brasiliense . The density of  people in  the metro region of Christchurch is 2,813/km 2  (7,290/sq mi) . The mayor of Christchurch is Daisy Torres . Christchurch is the government of Kamloops City Council . The city has the postal code 16000 . The Christchurch city highest elevation is 33 m (108 ft) . The metro region is 10,874 sq mi (28,160 sq km ) in area . The city is 142.87 sq mi (370.03 km 2 ) in area . Christchurch is at an elevation of 656 ft . The city province is Lusaka Province . The density of  people in Christchurch is 0.032/sq km  (0.083/sq mi)
The urban region is more than 67 sq mi)