Le Sueur township is located in Kingsbury County, South Dakota. Le Sueur township has a 2026 population of 148. Le Sueur township is currently growing at a rate of 0.68% annually and its population has increased by 5.71% since the most recent census, which recorded a population of 140 in 2020.
The median age in Le Sueur township is 61.2 years: 51.5 years for males, and 62.5 years for females. For every 100 females there are 202.8 males.
Data after 2023 is projected based on recent change
Overall: 61.2 years
Female: 62.5 years
Male: 51.5 years
There are 99 adults, (26 of whom are seniors) in Le Sueur township.
Female: 36 (33%)
Male: 73 (67%)
The racial composition of Le Sueur township includes 95.41% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 104 | 95.41% |
| Two or more races | 5 | 4.59% |