On March 6, 1836 (city) the city was incorporated . The Cairo citys' lowest elevation is 5,740 ft  . Cairo is at an elevation of 1397 m .  The city area code is +57 2 . The Cairo city highest elevation is 1,879 m (6,165 ft) . The water area of the city is 0.37 sq mi (0.95 km 2 ) . The density of  inhabitents in  the urban region of Cairo is 3,300/km 2  (8,600/sq mi) . 7°23′47″N 3°55′0″E﻿ / ﻿7.39639°N 3.91667°E are the coordinates of the city. . 2,121 km 2  (819 sq mi) is the area of the city namedCairo . The area of the urban region is Area : 993.5 km2 (383.6 sq mi) . Christian Roger Okemba (PCT) is the mayor of Cairo . This city is named after Moses Cleaveland . Cairo is located in Angkor, Siem Reap, Cambodia . 350/sq mi (140/km 2 ) is the density of residents in Cairo . The city Cairo demonym is Evanstonian . The density of  inhabitents in  the metro region of Cairo is 6,600/km 2  (17,000/sq mi) . The population of the metro region is 16,100,000
The peak of Cairo is at 1,879 m (6,165 ft)