The population of the metro region is 3,500,000 (estimated) . Cleveland, Ohio is named for Confluence of Grand River and Gunnison River . The Cleveland, Ohio city highest elevation is 770 m (2,530 ft) . The Cleveland, Ohio citys' lowest elevation is 865 m  . The water area of the city is 3.73 sq mi (9.67 km 2 ) . 1,600/km 2  (4,200/sq mi) is the density of residents in  the metro region of Cleveland, Ohio . The density of  residents in Cleveland, Ohio is 9,821/km 2  (25,436/sq mi) (2017) . The city province is East Java . Cleveland, Ohio is located in Colombia . Cleveland, Ohio is at an elevation of 387 ft . 14,100/km 2  (37,000/sq mi) is the density of people in  the urban region of Cleveland, Ohio . 71 is the area code of Cleveland, Ohio . On 1871 (Huntington) the city was incorporated . The city Cleveland, Ohio demonym is Mashhadi, Mashadi, Mashdi (informal) .  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E are the coordinates of the city. . Area: 418 km2 (161 sq mi) is the area of the city namedCleveland, Ohio . Marvin Rees (Lab) is the mayor of Cleveland, Ohio
There are less than 1557 residents per sq km in the metro region of Cleveland, Ohio