Harlem township

County:: Winnebago County
County Seat:: No
Area (mi²):: 32.674
State:: Illinois

Harlem township is located in Winnebago County, Illinois. Harlem township has a 2025 population of 38,738. Harlem township is currently declining at a rate of -0.13% annually and its population has decreased by -1.2% since the most recent census, which recorded a population of 39,209 in 2020.

The average household income in Harlem township is $96,252 with a poverty rate of 11.71%. The median age in Harlem township is 40 years: 40.2 years for males, and 39.7 years for females.

Demographics

The racial composition of Harlem township includes 82.87% White, 4.03% Black or African American, 3.18% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	32,361	82.87%
Two or more races	2,700	6.91%
Black or African American	1,573	4.03%
Asian	1,243	3.18%
Other race	1,013	2.59%
Native American	158	0.4%
Native Hawaiian or Pacific Islander	0	0%

Harlem township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Harlem township's average per capita income is $50,686. Household income levels show a median of $76,630. The poverty rate stands at 11.71%.

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	$109,105	-
Families	$90,044	$107,773
Households	$76,630	$96,252
Non Families	$49,957	$63,247

$50,686

Average Income

$76,630

Median Household Income

11.71%

Poverty Rate