The province of the city Cincinnati, Ohio is Oran Province . The water area of the city is 6.80 sq mi (17.62 sq km )  3.0% . The demonym of the city Cincinnati, Ohio is Brasiliense . The Cincinnati, Ohio citys' lowest elevation is 1,750 m . 2,818/km 2  (7,300/sq mi) (May 27, 2019) is the density of people in Cincinnati, Ohio . 662.1/km 2  (1,715/sq mi) is the density of people in  the metro region of Cincinnati, Ohio . The city has the postal code 130000 . The city was incorporated in February 17, 1909 . The highest elevation of Cincinnati, Ohio is 424 m (1,391 ft) . 641 km 2  (247.6 sq mi) is the area of the city namedCincinnati, Ohio . The land area of the city is 8.921 sq mi (23.106 km 2 ) . This city is named after Calgary, Mull . Cincinnati, Ohio is located in Tunisia . Cincinnati, Ohio is at an elevation of 700 ft .  The city area code is 216  (Asian side) . Cincinnati, Ohio is the government of Bristol City Council . Takashi Kawamura is the mayor of Cincinnati, Ohio . 584.4 sq mi (1,513.59 km2) is the area of the urban region of Cincinnati, Ohio . 8,600/km 2  (22,000/sq mi) is the density of inhabitents in  the urban region of Cincinnati, Ohio . The population of the metro region is Populations (2019): 3,731,447 . The coordinates of the city are 9°1′48″N 38°44′24″E﻿ / ﻿9.03000°N 38.74000°E
+226 is a prefix required to call a number in Cincinnati, Ohio