South Grove township Flag

South Grove township

County:
DeKalb County
County Seat:
No
Area (mi²):
34.409
State:
Illinois

South Grove township is located in DeKalb County, Illinois. South Grove township has a 2025 population of 406. South Grove township is currently declining at a rate of -0.98% annually and its population has decreased by -3.56% since the most recent census, which recorded a population of 421 in 2020.

The average household income in South Grove township is $118,648 with a poverty rate of 3.19%. The median age in South Grove township is 56.4 years: 56.7 years for males, and 54.3 years for females.

406
Total Population
12
Density (mi²)
-4 -0.98%
Growth

South Grove township Population

South Grove township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of South Grove township includes 79.02% White, 10.88% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White30579.02%
Other race4210.88%
Two or more races338.55%
Black or African American61.55%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%

South Grove township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Grove township's average per capita income is $49,500. Household income levels show a median of $110,208. The poverty rate stands at 3.19%.

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
Households$110,208$118,648
Married Families$110,208-
Non Families$95,000$93,028
Families$94,844$117,670

$49,500

Average Income

$110,208

Median Household Income

3.19%

Poverty Rate

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)