The city province is Santiago Province . 1,592,492 (2016 Census) is the population of the urban region of Cincinnati, Ohio . The lowest elevation of Cincinnati, Ohio is 7 ft . The land area of the city is 138.75 sq mi (359.36 km 2 ) . The city has the postal code 080020 . 2,300/km 2  (5,900/sq mi) is the density of people in Cincinnati, Ohio . Cincinnati, Ohio is located in Georgia . Cincinnati, Ohio is the government of National Park Service . The city was incorporated in 1799 (Guyandotte) . This city is named after Harry Culver . Population: 2,400,653 (2012) is the population of Cincinnati, Ohio . The density of  people in  the metro region of Cincinnati, Ohio is 4,484/km 2  (11,610/sq mi) . The city water area is 3.4 sq mi (8.8 km 2 ) . Kwon Young-jin , (Liberty Korea) is the mayor of Cincinnati, Ohio . The city Cincinnati, Ohio demonym is Indorian . The coordinates of the city are 2°11′S 79°53′W﻿ / ﻿2.183°S 79.883°W  . The metro region has 3,500,000 (estimated) population . 464.71/km 2  (1,203.6/sq mi) is the density of inhabitents in  the urban region of Cincinnati, Ohio . The Cincinnati, Ohio city highest elevation is 1,390 m (4,560 ft) .  The city area code is 01
There are 971 residents per sq km in the urban region of Cincinnati, Ohio