Provo
- County:
- Sioux County
- County Seat:
- No
- Area (mi²):
- 0.171
- State:
- South Dakota
Provo is a CDP located in Sioux County, Nebraska, Custer County, South Dakota, and Fall River County, South Dakota. Provo has a 2025 population of 3. Provo is currently growing at a rate of 200% annually and its population has increased by 200% since the most recent census, which recorded a population of 1 in 2020.