St. Onge Flag

St. Onge

County:
Lawrence County
County Seat:
No
Area (mi²):
1.345
State:
South Dakota

St. Onge is a CDP located in Lawrence County, South Dakota. St. Onge has a 2025 population of 14. St. Onge is currently growing at a rate of 7.69% annually but its population has decreased by -44% since the most recent census, which recorded a population of 25 in 2020.

14
Total Population
10
Density (mi²)
1 7.69%
Growth

St. Onge Population

St. Onge Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of St. Onge includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White46100%

St. Onge Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

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)