Union Grove township

County:: Whiteside County
County Seat:: No
Area (mi²):: 35.136
State:: Illinois

Union Grove township is located in Whiteside County, Illinois. Union Grove township has a 2025 population of 1,170. Union Grove township is currently declining at a rate of -0.09% annually and its population has decreased by -1.76% since the most recent census, which recorded a population of 1,191 in 2020.

The average household income in Union Grove township is $113,303 with a poverty rate of 3.46%. The median age in Union Grove township is 44.1 years: 42.9 years for males, and 44.1 years for females.

Demographics

The racial composition of Union Grove township includes 85.83% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	1,151	85.83%
Two or more races	171	12.75%
Black or African American	19	1.42%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Union Grove township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Union Grove township's average per capita income is $53,261. Household income levels show a median of $93,617. The poverty rate stands at 3.46%.

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	$128,750	-
Families	$105,583	$134,470
Households	$93,617	$113,303
Non Families	$59,539	$64,371

$53,261

Average Income

$93,617

Median Household Income

3.46%

Poverty Rate