|Established||November 6, 1849|
|• Supervisor||Suzanne D. Simpson|
|• Total||36.76 sq mi (95.21 km2)|
|• Land||35.97 sq mi (93.17 km2)|
|• Water||2.03 sq mi (2.03 km2) 2.14%|
|Elevation||709 ft (216 m)|
| • Estimate |
|• Density||1,642/sq mi (634/km2)|
|Time zone||UTC-6 (CST)|
|• Summer (DST)||UTC-5 (CDT)|
Warren Township is a township in Lake County, Illinois, USA. As of the 2010 census, its population was 64,841. 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.
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.
The township contains seven cemeteries: Highland Memorial Park, Sant Sava Monastery, Serbian Monastery, Spaulding, Spaulding Corners, Swan Family and Warren.
|U.S. Decennial Census|