South Branch township

County:: Watonwan County
County Seat:: No
Area (mi²):: 39.066
State:: Minnesota

South Branch township is located in Watonwan County, Minnesota. South Branch township has a 2025 population of 248. South Branch township is currently declining at a rate of 0% annually and its population has decreased by -1.59% since the most recent census, which recorded a population of 252 in 2020.

The average household income in South Branch township is $109,399 with a poverty rate of 3.06%. The median age in South Branch township is 48.9 years: 51.6 years for males, and 46.1 years for females.

Demographics

The racial composition of South Branch township includes 94.02% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	220	94.02%
Two or more races	11	4.7%
Other race	3	1.28%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

South Branch township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Branch township's average per capita income is $58,804. Household income levels show a median of $87,500. The poverty rate stands at 3.06%.

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	$90,179	$109,782
Households	$87,500	$109,399
Non Families	$83,750	$85,360
Married Families	$79,837	-

$58,804

Average Income

$87,500

Median Household Income

3.06%

Poverty Rate