South Flannigan township

County:: Hamilton County
County Seat:: No
Area (mi²):: 18.34
State:: Illinois

South Flannigan township is located in Hamilton County, Illinois. South Flannigan township has a 2025 population of 134. South Flannigan township is currently declining at a rate of -1.47% annually and its population has decreased by -4.29% since the most recent census, which recorded a population of 140 in 2020.

The average household income in South Flannigan township is $104,887 with a poverty rate of 4.76%.The median age in South Flannigan township is 33.3 years: 22.9 years for males, and 33.7 years for females.

Demographics

The racial composition of South Flannigan township includes 70.24% White, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	59	70.24%
Two or more races	25	29.76%

South Flannigan township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Flannigan township's average per capita income is $0. Household income levels show a median of $103,750. The poverty rate stands at 4.76%.

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
Families	$126,250	$142,565
Households	$103,750	$104,887
Married Families	-	-
Non Families	-	-

$0

Average Income

$103,750

Median Household Income

4.76%

Poverty Rate