Northfield Township, Cook County, Illinois
Location in Cook County
Cook County's location in Illinois
Latitude and Longitude:
|Established||April 2, 1850|
|• Supervisor||Jill A. Brickman|
|• Total||34.64 sq mi (89.72 km2)|
|• Land||34.30 sq mi (88.84 km2)|
|• Water||0.34 sq mi (0.89 km2) 0.99%|
|Elevation||650 ft (198 m)|
| • Estimate |
|• Density||2,481/sq mi (957.9/km2)|
|Time zone||UTC-6 ( CST)|
|• Summer ( DST)||UTC-5 ( CDT)|
60015, 60016, 60022, 60025, 60026, 60056, 60062, 60070, 60090, 60091, 60093
Northfield Township is one of 29 townships in Cook County, Illinois, USA. As of the 2010 census, its population was 85,102.  The township office is located at 2550 Waukegan Road (just south of Willow Road) in Glenview.  The township was established on April 2, 1850. 
According to the United States Census Bureau, Northfield Township covers an area of 34.64 square miles (89.7 km2); of this, 34.3 square miles (89 km2) (99.02 percent) is land and 0.34 square miles (0.88 km2) (0.99 percent) is water.
- Deerfield  (south edge)
- Glencoe  (west edge)
- Glenview (majority)
- Northbrook (vast majority)
- Northfield (west three-quarters)
- Prospect Heights (east edge)
- Wilmette (west edge; Wilmette Golf Club area)
- Des Plaines (north edge; forest preserves)
- Moraine Township, Lake County (north)
- West Deerfield Township, Lake County (north)
- New Trier Township (east)
- Niles Township (southeast)
- Maine Township (southwest)
- Wheeling Township (west)
- Vernon Township, Lake County (northwest)
The township does not maintain any cemeteries. Northfield Township contains these seven cemeteries: North Northfield (owned and operated by the Village of Northbrook), Northfield Union, Oak Wood, Sacred Heart, Saint Johns, Saint Marys, and Sunset Memorial Lawns.
- Northshore Glenbrook Hospital Heliport
- Plaza Heliport
- E J Beck Lake
- Citation Lake
- Lake Glenview
- Lake Shermerville
|U.S. Decennial Census |
- Illinois's 9th congressional district
- Illinois's 10th congressional district
- State House District 17
- State House District 57
- State House District 58
- State Senate District 9
- State Senate District 29
- "Northfield Township, Cook County, Illinois". Geographic Names Information System. United States Geological Survey. Retrieved 2010-01-10.
- United States Census Bureau 2007 TIGER/Line Shapefiles
- United States National Atlas
- "Population and Housing Unit Estimates". Retrieved June 9, 2017.
- "Geographic Identifiers: 2010 Demographic Profile Data (DP-1): Northfield township, Cook County, Illinois". U.S. Census Bureau, American Factfinder. Retrieved March 21, 2013.
- " Contact Us Archived 2010-03-05 at the Wayback Machine." Northfield Township. Retrieved on August 9, 2010.
- "About Northfield Township". Northfield Township. Retrieved 2007-03-13.
- "Township Map". Retrieved March 13, 2019.
- "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
- " Contact Us." Allstate. Retrieved on August 9, 2010.
- " Northbrook village, Illinois Archived 2011-06-08 at the Wayback Machine." U.S. Census Bureau. Retrieved on August 9, 2010.
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