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