New Trier township

County:: Cook County
County Seat:: No
Area (mi²):: 15.899
State:: Illinois

New Trier township is located in Cook County, Illinois. New Trier township has a 2025 population of 54,577. New Trier township is currently declining at a rate of -0.55% annually and its population has decreased by -4.55% since the most recent census, which recorded a population of 57,178 in 2020.

The average household income in New Trier township is $343,000 with a poverty rate of 3.12%.The median age in New Trier township is 45.1 years: 44.2 years for males, and 46.1 years for females.

Demographics

The racial composition of New Trier township includes 84.72% White, 8.01% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	47,687	84.72%
Asian	4,506	8.01%
Two or more races	2,772	4.92%
Other race	865	1.54%
Black or African American	406	0.72%
Native American	41	0.07%
Native Hawaiian or Pacific Islander	11	0.02%

New Trier township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

New Trier township's average per capita income is $117,562. Household income levels show a median of $211,066. The poverty rate stands at 3.12%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Families	$250,001	$398,462
Married Families	$250,001	-
Households	$211,066	$343,000
Non Families	$82,641	$145,549

$117,562

Average Income

$211,066

Median Household Income

3.12%

Poverty Rate