The city land area is 47.35 sq mi (122.63 km 2 ) . The mayor of Evanston, Illinois is Zhang Guoqing . The city has the postal code 21500 . Evanston, Illinois is at an elevation of 1493 ft . 43°23′9″N 8°24′23″W﻿ / ﻿43.38583°N 8.40639°W﻿ / 43.38583; -8.40639 are the coordinates of the city. . Evanston, Illinois is named for Rao Jodha . 4,800/km 2  (12,000/sq mi) is the density of people in  the urban region of Evanston, Illinois . 1,275/sq km (3,300/sq mi) is the density of people in  the metro region of Evanston, Illinois . The lowest elevation of Evanston, Illinois is 1 m  . The Evanston, Illinois city highest elevation is 33 m (108 ft) . The water area of the city is 6.80 sq mi (17.62 sq km )  3.0% .  The city area code is 22 . The city was incorporated in 1842 . The density of  residents in Evanston, Illinois is 5,200/km 2  (13,000/sq mi) . Evanston, Illinois is located in Cameroon . Evanston, Illinois is the government of U.S. National Park Service . The population of the metro region is Population (2019): 2,700,000 . The area of the city is 19.4 sq mi (50.2 sq km) . 2,658,355 is the population of the urban region of Evanston, Illinois . The demonym of the city Evanston, Illinois is Guayaquilean
There are less than 11952 inhabitents per sq mi in the urban region of Evanston, Illinois