Murdo
- County:
- Jones County
- County Seat:
- No
- Area (mi²):
- 0.629
- State:
- South Dakota
Murdo is a city located in Jones County, South Dakota. Murdo has a 2026 population of 464. Murdo is currently growing at a rate of 1.75% annually but its population has decreased by -2.73% since the most recent census, which recorded a population of 477 in 2020.