New Trier Township
Location in Cook County
CountryUnited States
 • Total16.30 sq mi (42.21 km2)
 • Land16.00 sq mi (41.43 km2)
 • Water0.29 sq mi (0.76 km2)  1.80%
 • Estimate 
 • Density3,465/sq mi (1,337.8/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
FIPS code17-031-52909

New Trier Township (/ˈtrɪər/) is one of 29 townships in Cook County, Illinois, United States. As of the 2010 census, its population was 55,424.[2]

The township contains New Trier High School, but the borders of the school district do not line up exactly with the borders of the township.


The township covers approximately 16 square miles (41 km2). The township comprises the villages of Wilmette, Kenilworth, Winnetka, Glencoe, and portions of Glenview and Northfield. There is also a small unincorporated area near Winnetka known as Indian Hill because of the nearby country club of the same name.[3]


Historical population
Census Pop.
2016 (est.)56,131[1]
U.S. Decennial Census[4]

As of the census[5] of 2000, there were 56,716 people, 20,156 households, and 15,960 families living in the township. The population density was 3,540/sq mi. There are 20,809 housing units. The racial makeup of the township was 92.1% White, 0.7% African American, 5.7% Asian, 0.4% from other races, and 1.0% from two or more races. Hispanic or Latino of any race were 1.7% of the population.

There were 20,156 households, out of which 42.9% had children under the age of 18 living with them, 71.7% were married couples living together, 5.9% had a female householder with no husband present, and 20.8% were non-families. 18.9% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older. The average household size was 2.80 and the average family size was 3.22.

In the township the population was spread out, with 30.9% under the age of 18, and 15.6% who were 65 years of age or older. The median age was 41.6 years.

The median income for a household in the township was $122,641, and the median income for a family was $144,976. Males had a median income of $100,000+ versus $60,000 for females. The per capita income for the township was $70,331. 1.2% of families were below the poverty line.

Township services

See also


  1. ^ a b "Population and Housing Unit Estimates". Retrieved June 9, 2017.
  2. ^ "Geographic Identifiers: 2010 Demographic Profile Data (DP-1): New Trier township, Cook County, Illinois". U.S. Census Bureau, American Factfinder. Archived from the original on February 12, 2020. Retrieved March 21, 2013.
  3. ^ Indian Hill Club Website
  4. ^ "Census of Population and Housing". Retrieved June 4, 2016.
  5. ^ "U.S. Census website". United States Census Bureau. Retrieved 2008-01-31.

Coordinates: 42°05′50″N 87°44′45″W / 42.097209°N 87.745757°W / 42.097209; -87.745757