Deadwood
- County:
- Lawrence County
- County Seat:
- No
- Area (mi²):
- 4.929
- State:
- South Dakota
Deadwood is a city located in Lawrence County, South Dakota. Deadwood has a 2026 population of 1,347. Deadwood is currently growing at a rate of 0.07% annually and its population has increased by 16.93% since the most recent census, which recorded a population of 1,152 in 2020.