Union township

County:: McHenry County
County Seat:: No
Area (mi²):: 35.792
State:: Illinois

Union township is located in McHenry County, Illinois. Union township has a 2025 population of 760. Union township is currently declining at a rate of -0.13% annually and its population has decreased by -1.68% since the most recent census, which recorded a population of 773 in 2020.

The average household income in Union township is $81,257 with a poverty rate of 4.92%.The median age in Union township is 38.3 years: 38.2 years for males, and 40.2 years for females.

Demographics

The racial composition of Union township includes 99.12% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	564	99.12%
Two or more races	5	0.88%

Union township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Union township's average per capita income is $48,969. Household income levels show a median of $71,838. The poverty rate stands at 4.92%.

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	$96,250	-
Families	$86,793	$100,181
Households	$71,838	$81,257
Non Families	-	$39,814

$48,969

Average Income

$71,838

Median Household Income

4.92%

Poverty Rate