Warren Township
Location in Lake County
Location in Lake County
Lake County
Lake County's location in Illinois
Coordinates: 42°22′20″N 87°56′54″W / 42.37222°N 87.94833°W / 42.37222; -87.94833Coordinates: 42°22′20″N 87°56′54″W / 42.37222°N 87.94833°W / 42.37222; -87.94833
CountryUnited States
EstablishedNovember 6, 1849
 • SupervisorSuzanne D. Simpson
 • Total36.76 sq mi (95.21 km2)
 • Land35.97 sq mi (93.17 km2)
 • Water2.03 sq mi (2.03 km2)  2.14%
709 ft (216 m)
 • Estimate 
 • Density1,642/sq mi (634/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
FIPS code17-097-78877

Warren Township is a township in Lake County, Illinois, USA. As of the 2010 census, its population was 64,841.[2] The cities of Gurnee, Park City, and Grayslake lie within its borders. The township was established in 1850 by settlers who came from the town of Warren, New York. Both were named in honor of Major General Joseph Warren, killed at the Battle of Bunker Hill.[3]


Warren Township covers an area of 36.76 square miles (95.2 km2); of this, 0.78 square miles (2.0 km2) or 2.03 percent is water. Lakes in this township include Gages Lake, Grandwood Lake, Twin Lakes and Valley Lake.

Cities and towns

Census-designated place

Adjacent townships


The township contains seven cemeteries: Highland Memorial Park, Sant Sava Monastery, Serbian Monastery, Spaulding, Spaulding Corners, Swan Family and Warren.

Major highways

Airports and landing strips

Railroad lines


Historical population
Census Pop.
2016 (est.)64,297[1]
U.S. Decennial Census[5]


  1. ^ a b "Population and Housing Unit Estimates". Retrieved June 9, 2017.
  2. ^ "U.S. Census website". Retrieved 2008-05-30.
  3. ^ "Gurnee History - Warren Township". The Village of Gurnee, IL. Archived from the original on 2007-08-05. Retrieved 2007-08-02.
  4. ^ "Google Maps". Google. Retrieved 28 October 2012.
  5. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.