North Chicago, Illinois

North Chicago, Illinois
Location of North Chicago in Lake County, Illinois.
Coordinates: 42°18′40″N 87°52′16″W / 42.31111°N 87.87111°W / 42.31111; -87.87111
CountryUnited States
StateIllinois
CountyLake
Government
 • MayorLeon Rockingham Jr.
Area
 • Total
8.02 sq mi (20.76 km2)
 • Land8.00 sq mi (20.71 km2)
 • Water0.019 sq mi (0.05 km2)
Elevation
692 ft (211 m)
Population
 (2020)
 • Total
30,759
 • Density3,847.1/sq mi (1,485.38/km2)
Time zoneUTC−6 (CST)
 • Summer (DST)UTC−5 (CDT)
ZIP Code(s)
60064, 60086, 60088
Area code847
FIPS code17-53559
GNIS feature ID2395253
Websitenorthchicago.org

North Chicago is a city in Lake County, Illinois, United States, and a suburb of the Chicago metropolitan area. The population was 30,759 at the 2020 census making it the third-most populous city by population in the county, after Waukegan and Mundelein.

An industrial center, North Chicago is home to the Great Lakes Naval Training Center and Great Lakes Barracks Military housing. The city is also home to Rosalind Franklin University of Medicine and Science, which houses the Chicago Medical School.