La Belle township
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 41.876
- State:
- South Dakota
La Belle township is located in Marshall County, South Dakota. La Belle township has a 2025 population of 63. La Belle township is currently growing at a rate of 3.28% annually and its population has increased by 14.55% since the most recent census, which recorded a population of 55 in 2020.
The average household income in La Belle township is $112,523 with a poverty rate of 0%. The median age in La Belle township is 34.8 years: 34.9 years for males, and 32.9 years for females.