Union township

County:: McHenry County
County Seat:: No
Area (mi²):: 36.604
State:: Illinois

Union township is located in McHenry County, Illinois. Union township has a 2025 population of 829. Union township is currently declining at a rate of -1.43% annually and its population has decreased by -5.9% since the most recent census, which recorded a population of 881 in 2020.

The average household income in Union township is $63,690 with a poverty rate of 18.78%.The median age in Union township is 42.7 years: 43.3 years for males, and 42 years for females.

Demographics

The racial composition of Union township includes 98.11% White, and smaller percentages for Black or African American, Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	883	98.11%
Black or African American	9	1%
Two or more races	8	0.89%

Union township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Union township's average per capita income is $32,632. Household income levels show a median of $49,375. The poverty rate stands at 18.78%.

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	$76,667	-
Families	$64,306	$69,074
Households	$49,375	$63,690
Non Families	$43,125	$51,228

$32,632

Average Income

$49,375

Median Household Income

18.78%

Poverty Rate