Alden township

County:: McHenry County
County Seat:: No
Area (mi²):: 33.204
State:: Illinois

Alden township is located in McHenry County, Illinois. Alden township has a 2025 population of 1,262. Alden township is currently declining at a rate of -0.08% annually and its population has decreased by -1.02% since the most recent census, which recorded a population of 1,275 in 2020.

The average household income in Alden township is $108,728 with a poverty rate of 14.97%. The median age in Alden township is 53.9 years: 53.1 years for males, and 60.2 years for females.

Demographics

The racial composition of Alden township includes 96.4% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,500	96.4%
Two or more races	47	3.02%
Other race	9	0.58%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Alden township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Alden township's average per capita income is $71,184. Household income levels show a median of $101,061. The poverty rate stands at 14.97%.

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	$101,922	$119,249
Married Families	$101,786	-
Households	$101,061	$108,728
Non Families	$75,000	$75,346

$71,184

Average Income

$101,061

Median Household Income

14.97%

Poverty Rate