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 and multiracial populations.

Population by Race

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%

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