Union Grove township Flag

Union Grove township

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

Union Grove township is located in Whiteside County, Illinois. Union Grove township has a 2026 population of 1,188. Union Grove township is currently growing at a rate of 0.17% annually but its population has decreased by -0.75% since the most recent census, which recorded a population of 1,197 in 2020.

The median household income in Union Grove township is $106,250 with a poverty rate of 0.61%. The median age in Union Grove township is 45.3 years: 47.9 years for males, and 34.9 years for females. For every 100 females there are 75.8 males.

1.2K
Total Population
34
Density (mi²)
2 0.17%
Growth

Union Grove township Population

Union Grove township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,18820.17%
20251,18620.17%
20241,18420.17%
20231,18230.25%
20221,179-14-1.17%
20211,193-4-0.33%
20201,197-2-0.17%
20191,178-7-0.59%
20181,185-9-0.75%
20171,194-9-0.75%
20161,203-7-0.58%
20151,21000%
20141,210-10-0.82%
20131,220-4-0.33%
20121,224-9-0.73%
20111,233-11-0.88%
20101,23520.16%

Median Age

Overall: 45.3 years
Female: 34.9 years
Male: 47.9 years

Union Grove township Adults

There are 1,104 adults, (267 of whom are seniors) in Union Grove township.

Sex Ratio

Female: 807 (56.9%)
Male: 612 (43.1%)

Demographics

The racial composition of Union Grove township includes 93.45% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,32693.45%
Two or more races936.55%
Race
Population ↓
Percentage (of total)
Two or more races322.26%
Race
Population ↓
Percentage (of total)
White1,32693.45%
Two or more races614.3%

Union Grove township Marital Status

Economics and Income Statistics

Union Grove township 's average per capita income is $55,114. Household income levels show a median of $106,250. The poverty rate stands at 0.61%.

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$109,211-
Families$108,125$118,267
Households$106,250$111,429
Non Families-$84,229

$55,114

Average Income

$106,250

Median Household Income

0.61%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)