
Wentworth township
- County:
- Lake County
- County Seat:
- No
- Area (mi²):
- 34.142
- State:
- South Dakota
Wentworth township is located in Lake County, South Dakota. Wentworth township has a 2025 population of 533. Wentworth township is currently growing at a rate of 1.52% annually and its population has increased by 5.13% since the most recent census, which recorded a population of 507 in 2020.
The average household income in Wentworth township is $215,685 with a poverty rate of 4.98%. The median age in Wentworth township is 55.2 years: 56.2 years for males, and 55.1 years for females.