 The city area code is 9 . The city water area is 551.92 sq mi (1,429.46 km 2 ) . Tianjin is named for Joe Juneau . 3,300/km 2  (8,600/sq mi) is the density of people in  the urban region of Tianjin . The density of  inhabitents in Tianjin is 1,600/km 2  (4,200/sq mi) (2011) . Tianjin is the government of Ministry of Culture . The urban region has 8,220,207 population . The area of the metro region is Area: 5,609.9 km2 (2,166.0 sq mi)The population of the metro region is 5,278,448 . On 1900 the city was incorporated . The land area of the city is 227.34 sq mi (588 sq km ) . The city Tianjin province is Pichincha . Tianjin is at an elevation of 0 meters . Tianjin has Population: 971,592 (2016) population . The mayor of Tianjin is Norman Maurice Armitage . The lowest elevation of Tianjin is 1,250 ft . The coordinates of the city are 10°24′N 75°30′W﻿ / ﻿10.400°N 75.500°W . The postal code of the city is 34000 to 34990 . Tianjin is located in Zulia . The highest elevation of Tianjin is 424 m (1,391 ft) . The density of  residents in  the metro region of Tianjin is 2,200/km 2  (5,700/sq mi) . The demonym of the city Tianjin is Marabin, Maracaibero(a), Maracucho(a)
There are 1600 people per km 2 in Tianjin