The demonym of the city Tianjin is Indorian . The density of  residents in  the urban region of Tianjin is 2,300/km 2  (6,100/sq mi) . Tianjin is named for Rao Jodha . Tianjin is the government of Ministry of Culture . The urban region is 1,407.2 sq mi (3,645 sq km) in area . The province of the city Tianjin is Jilin . The Tianjin citys' lowest elevation is 1,240 ft . Tianjin is at an elevation of 2250 m . The Tianjin city highest elevation is 14,110 ft (4,300 m) .  The city area code is +55 81 . The land area of the city is 316.42 km 2  (122.17 sq mi) . The mayor of Tianjin is Federico Gutiérrez, 2016-2019 . The postal code of the city is 9XXXXXX . The water area of the city is 4.46 sq km  (1.72 sq mi) . Tianjin is located in Iwaki, Fukushima, Japan . The city was incorporated in December 23, 1814 (village) . The density of  residents in Tianjin is 850/km 2  (2,200/sq mi) . Population: 12,491,300 (2016) is the population of the metro region of Tianjin . 6°13′51″N 75°35′26″W﻿ / ﻿6.23083°N 75.59056°W are the coordinates of the city. . The density of  inhabitents in  the metro region of Tianjin is 1,275/km 2  (3,300/sq mi)
Highest point is 3922 m above the lowest point of this city