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 2026 population of 377. St. Onge township is currently growing at a rate of 1.62% annually and its population has increased by 15.29% since the most recent census, which recorded a population of 327 in 2020.

The median age in St. Onge township is 53.3 years: 64.1 years for males, and 53.2 years for females. For every 100 females there are 72.6 males.

377
Total Population
11
Density (mi²)
6 1.62%
Growth

St. Onge township Population

St. Onge township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202637761.62%
202537161.64%
202436561.67%
2023359133.76%
2022346144.22%
202133251.53%
202032720.62%
201935830.85%
201835520.57%
201735330.86%
201635092.64%
2015341-2-0.58%
2014343-6-1.72%
201334972.05%
201234200%
201134230.88%
201034010.29%

Median Age

Overall: 53.3 years
Female: 53.2 years
Male: 64.1 years

St. Onge township Adults

There are 332 adults, (20 of whom are seniors) in St. Onge township.

Sex Ratio

Female: 201 (57.9%)
Male: 146 (42.1%)

Demographics

The racial composition of St. Onge township includes 84.73% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White29484.73%
Two or more races5315.27%
Race
Population ↓
Percentage (of total)
White29484.73%
Two or more races5315.27%

St. Onge township Marital Status

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)