St. Onge township Flag

St. Onge township

County:
Lawrence County
County Seat:
No
Area (mi²):
35.774
State:
South Dakota

St. Onge township is located in Lawrence County, South Dakota. St. Onge township has a 2025 population of 378. St. Onge township is currently growing at a rate of 3% annually and its population has increased by 15.6% since the most recent census, which recorded a population of 327 in 2020.

The average household income in St. Onge township is $158,210 with a poverty rate of 0%. The median age in St. Onge township is 53.7 years: 64.4 years for males, and 53.2 years for females.

378
Total Population
11
Density (mi²)
11 3%
Growth

St. Onge township Population

St. Onge township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of St. Onge township includes 87.33% 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)
White26287.33%
Two or more races3812.67%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

St. Onge township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Onge township's average per capita income is $0. Household income levels show a median of $0. The poverty rate stands at 0%.

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$250,001$204,411
Married Families$250,001-
Households-$158,210
Non Families--

$0

Average Income

$0

Median Household Income

0%

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)