The highest elevation of Cleveland, Ohio is 33 m (108 ft) . The city is 11.86 sq mi (30.73 km 2 ) in area . (+20) 3 is the area code of Cleveland, Ohio . The city water area is 4.12 sq mi (10.67 km 2 ) . The province of the city Cleveland, Ohio is Santiago Province . The land area of the city is 11,609.91 km 2  (4,482.61 sq mi) . The population of the urban region is 7,860,781 . 13°24′45″N 103°52′0″E﻿ / ﻿13.41250°N 103.86667°E﻿ / 13.41250; 103.86667 are the coordinates of the city. . The Cleveland, Ohio citys' lowest elevation is 865 m  . The demonym of the city Cleveland, Ohio is Chennaiite . On November 7, 1861, as Denver City, C.T. the city was incorporated . The postal code of the city is 9XXXXXX . This city is named after Saint James . 4,005,015 is the population of the metro region of Cleveland, Ohio . The density of  people in  the metro region of Cleveland, Ohio is 4,300/km 2  (11,000/sq mi) (2019) . Cleveland, Ohio is located in Angkor, Siem Reap, Cambodia . The mayor of Cleveland, Ohio is Thomas Aujero Small . The density of  people in Cleveland, Ohio is 850/sq km  (2,200/sq mi)
To send a post to the city use 95100 as zip.