The highest elevation of Cincinnati, Ohio is 1,879 m (6,165 ft) . Cincinnati, Ohio is named for Christopher Columbus . The land area of the city is 14.794 sq mi (38.316 km 2 ) . 2,200/km 2  (5,700/sq mi) is the density of residents in  the metro region of Cincinnati, Ohio . Cincinnati, Ohio is at an elevation of 1050 ft . The density of  inhabitents in Cincinnati, Ohio is 4,062/km 2  (10,523/sq mi) .  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E are the coordinates of the city. . On July 22, 1882 the city was incorporated . The population of the urban region is 3,039,444 . The mayor of Cincinnati, Ohio is Ken Christian . Cincinnati, Ohio is located in Miami-Dade, Monroe, & Collier counties, Florida, United States . 242 is the area code of Cincinnati, Ohio . The city Cincinnati, Ohio province is Liaoning . The city water area is 28.08 km 2  (10.84 sq mi) . 2,305/km 2  (5,970/sq mi) is the density of inhabitents in  the urban region of Cincinnati, Ohio . The metro region is 5,496.31 km 2  (2,122.14 sq mi) in area . Cincinnati, Ohio is the government of Kamloops City Council . The lowest elevation of Cincinnati, Ohio is 5,740 ft  . The city has the postal code 207, 208, 220 - 224, 226 - 228, 231 - 239, 241 - 244, 247 - 249, 251 - 253 . 178.46 km 2  (68.90 sq mi) is the area of the city namedCincinnati, Ohio
297 km 2 is the area of Cincinnati, Ohio