South Otter township

County:: Macoupin County
County Seat:: No
Area (mi²):: 35.751
State:: Illinois

South Otter township is located in Macoupin County, Illinois. South Otter township has a 2025 population of 438. South Otter township is currently declining at a rate of -0.45% annually and its population has decreased by -3.1% since the most recent census, which recorded a population of 452 in 2020.

The average household income in South Otter township is $132,182 with a poverty rate of 4.64%. The median age in South Otter township is 53.1 years: 60.5 years for males, and 39.3 years for females.

Demographics

The racial composition of South Otter township includes 90.14% 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	311	90.14%
Two or more races	34	9.86%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

South Otter township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Otter township's average per capita income is $55,469. Household income levels show a median of $106,875. The poverty rate stands at 4.64%.

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	$107,031	-
Households	$106,875	$132,182
Families	$105,625	$131,784
Non Families	-	-

$55,469

Average Income

$106,875

Median Household Income

4.64%

Poverty Rate