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 and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White26287.33%
Two or more races3812.67%

St. Onge township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

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)