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 2026 population of 415. South Grove township is currently declining at a rate of 0% annually and its population has decreased by -1.43% since the most recent census, which recorded a population of 421 in 2020.

The median household income in South Grove township is $112,941 with a poverty rate of 4.36%. The median age in South Grove township is 56.3 years: 58 years for males, and 49.7 years for females. For every 100 females there are 64.5 males.

415
Total Population
12
Density (mi²)

South Grove township Population

South Grove township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202641500%
202541500%
202441500%
2023415-2-0.48%
2022417-4-0.95%
202142100%
2020421-1-0.24%
201951220.39%
201851000%
201751010.2%
201650900%
2015509-1-0.2%
201451020.39%
201350810.2%
2012507-2-0.39%
2011509-3-0.59%
201051200%

Median Age

Overall: 56.3 years
Female: 49.7 years
Male: 58 years

South Grove township Adults

There are 271 adults, (139 of whom are seniors) in South Grove township.

Sex Ratio

Female: 214 (60.8%)
Male: 138 (39.2%)

Demographics

The racial composition of South Grove township includes 76.42% White, 12.22% other race, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White26976.42%
Other race4312.22%
Two or more races349.66%
Black or African American61.7%
Race
Population ↓
Percentage (of total)
Other race4312.22%
Two or more races267.39%
White154.26%
Black or African American61.7%
Race
Population ↓
Percentage (of total)
White25472.16%
Two or more races82.27%

South Grove township Marital Status

Economics and Income Statistics

South Grove township 's average per capita income is $46,000. Household income levels show a median of $112,941. The poverty rate stands at 4.36%.

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$113,015-
Households$112,941$106,863
Families$101,875$104,627
Non Families$81,042$84,147

$46,000

Average Income

$112,941

Median Household Income

4.36%

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)