The coordinates of the city are 35°11′N 136°54′E﻿ / ﻿35.183°N 136.900°E . The city land area is 47.35 sq mi (122.63 km 2 ) . The Detroit, Michigan city highest elevation is 91 m (299 ft) . 4,300/km 2  (11,000/sq mi) (2019) is the density of inhabitents in  the metro region of Detroit, Michigan . The postal code of the city is 16000 . The area of the urban region is 1,770 sq mi (4,600 km 2 ) . The city Detroit, Michigan demonym is Tbilisian , Tbilisite .  The city area code is +56 2 . Detroit, Michigan is named for Cartagena, Spain . The lowest elevation of Detroit, Michigan is 378 m  . Detroit, Michigan is at an elevation of 320 m . The mayor of Detroit, Michigan is Kwon Young-jin , (Liberty Korea) . Detroit, Michigan is located in Brazil . Detroit, Michigan is the government of U.S. National Park Service . The city water area is 0.49 sq mi (1.27 km 2 ) . The city province is Bulawayo . On September 20, 1917 the city was incorporated . 9,400/km 2  (24,000/sq mi) is the density of people in Detroit, Michigan . The population of Detroit, Michigan is 1,042,641 . The metro region has 1,766,823 population
More than 219 sq mi area of the city Detroit, Michigan is water