The density of  people in  the metro region of Cleveland, Ohio is 1,600/km 2  (4,200/sq mi) . The density of  people in  the urban region of Cleveland, Ohio is 14,100/km 2  (37,000/sq mi) . Cleveland, Ohio is located in Colombia . The city is Area: 418 km2 (161 sq mi) in area . 71 is the area code of Cleveland, Ohio . The coordinates of the city are  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E . 3,500,000 (estimated) is the population of the metro region of Cleveland, Ohio . 9,821/km 2  (25,436/sq mi) (2017) is the density of people in Cleveland, Ohio . The city was incorporated in 1871 (Huntington) . The lowest elevation of Cleveland, Ohio is 865 m  . Cleveland, Ohio is at an elevation of 387 ft . The city province is East Java . The city water area is 3.73 sq mi (9.67 km 2 ) . The mayor of Cleveland, Ohio is Marvin Rees (Lab) . This city is named after Confluence of Grand River and Gunnison River . The Cleveland, Ohio city highest elevation is 770 m (2,530 ft) . The demonym of the city Cleveland, Ohio is Mashhadi, Mashadi, Mashdi (informal)
Urban is more densely populated that metro region