Princeton township

County:: Bureau County
County Seat:: No
Area (mi²):: 36.545
State:: Illinois

Princeton township is located in Bureau County, Illinois. Princeton township has a 2025 population of 9,009. Princeton township is currently declining at a rate of -0.23% annually and its population has decreased by -2.02% since the most recent census, which recorded a population of 9,195 in 2020.

The average household income in Princeton township is $85,155 with a poverty rate of 14.11%.The median age in Princeton township is 45.7 years: 41.1 years for males, and 49.6 years for females.

Demographics

The racial composition of Princeton township includes 90.39% White, and smaller percentages for Asian, Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	8,245	90.39%
Two or more races	562	6.16%
Asian	167	1.83%
Black or African American	74	0.81%
Other race	74	0.81%

Princeton township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Princeton township's average per capita income is $41,189. Household income levels show a median of $59,531. The poverty rate stands at 14.11%.

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
Married Families	$106,835	-
Families	$83,333	$106,055
Households	$59,531	$85,155
Non Families	$39,606	$55,220

$41,189

Average Income

$59,531

Median Household Income

14.11%

Poverty Rate