Northfield Township
Township
Official seal of Northfield Township
Seal
Location in Cook County
Location in Cook County
Cook County's location in Illinois
Cook County's location in Illinois
Coordinates: 42°06′26″N 87°49′56″W / 42.10722°N 87.83222°W / 42.10722; -87.83222
CountryUnited States
StateIllinois
CountyCook
EstablishedApril 2, 1850
Government
 • SupervisorShiva Mohsenzadeh
Area
 • Total34.64 sq mi (89.72 km2)
 • Land34.30 sq mi (88.84 km2)
 • Water0.34 sq mi (0.89 km2)  0.99%
Elevation
650 ft (198 m)
Population
 (2020)
 • Total91,565
 • Density2,600/sq mi (1,000/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP codes
60015, 60016, 60022, 60025, 60026, 60056, 60062, 60070, 60090, 60091, 60093
FIPS code17-031-53676
Websitewww.twp.northfield.il.us

Northfield Township is one of 29 townships in Cook County, Illinois, USA. As of the 2020 census, its population was 91,565.[1] The township office is located at 2550 Waukegan Road (just south of Willow Road) in Glenview.[2] The township was established on April 2, 1850.[3]

Geography

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.

Cities, towns, villages

Other Community

Adjacent townships

Cemeteries

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.

Major highways

Airports and landing strips

  • Northshore Glenbrook Hospital Heliport
  • Plaza Heliport

Lakes

  • E J Beck Lake
  • Citation Lake
  • Lake Glenview
  • Lake Shermerville

Demographics

As of the 2020 census[1] there were 91,565 people, 33,505 households, and 23,816 families residing in the township. The population density was 2,643.79 inhabitants per square mile (1,020.77/km2). There were 37,020 housing units at an average density of 1,068.89 per square mile (412.70/km2). The racial makeup of the township was 72.16% White, 1.28% African American, 0.26% Native American, 18.04% Asian, 0.02% Pacific Islander, 2.57% from other races, and 5.68% from two or more races. Hispanic or Latino of any race were 6.41% of the population.

There were 33,505 households, out of which 29.50% had children under the age of 18 living with them, 61.34% were married couples living together, 7.32% had a female householder with no spouse present, and 28.92% were non-families. 26.90% of all households were made up of individuals, and 16.90% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.11.

The township's age distribution consisted of 23.1% under the age of 18, 5.1% from 18 to 24, 18.6% from 25 to 44, 28.8% from 45 to 64, and 24.4% who were 65 years of age or older. The median age was 47.3 years. For every 100 females, there were 91.4 males. For every 100 females age 18 and over, there were 90.5 males.

The median income for a household in the township was $113,530, and the median income for a family was $154,234. Males had a median income of $90,531 versus $51,911 for females. The per capita income for the township was $67,606. About 3.9% of families and 6.2% of the population were below the poverty line, including 10.3% of those under age 18 and 4.0% of those age 65 or over.

Historical population
CensusPop.Note%±
200082,880—
201085,1022.7%
202091,5657.6%
U.S. Decennial Census[5]

Economy

Allstate corporate campus in unincorporated Northfield Township between Glenview and Prospect Heights

Allstate has its headquarters in Northfield Township.[6][7]

Political districts

References

  • "Northfield Township, Cook County, Illinois". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved January 10, 2010.
  • United States Census Bureau 2007 TIGER/Line Shapefiles
  • United States National Atlas
  1. 1 2 "Explore Census Data". data.census.gov. Retrieved January 22, 2023.
  2. ↑ "Contact Us Archived 2010-03-05 at the Wayback Machine." Northfield Township. Retrieved on August 9, 2010.
  3. ↑ "About Northfield Township". Northfield Township. Retrieved March 13, 2007.
  4. 1 2 "Township Map". Retrieved March 13, 2019.
  5. ↑ "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
  6. ↑ "Contact Us." Allstate. Retrieved on August 9, 2010.
  7. ↑ "Northbrook village, Illinois Archived 2011-06-08 at the Wayback Machine." U.S. Census Bureau. Retrieved on August 9, 2010.
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