Crooked Creek township
- County:
- Pennington County
- County Seat:
- No
- Area (mi²):
- 71.124
- State:
- South Dakota
Crooked Creek township is located in Pennington County, South Dakota. Crooked Creek township has a 2026 population of 24. Crooked Creek township is currently declining at a rate of -4% annually but its population has increased by 4.35% since the most recent census, which recorded a population of 23 in 2020.