Culdesac
- County:
- Nez Perce County
- County Seat:
- No
- Area (mi²):
- 0.223
- State:
- Idaho
Culdesac is a city located in Nez Perce County, Idaho. Culdesac has a 2026 population of 417. Culdesac is currently declining at a rate of -0.71% annually but its population has increased by 0.72% since the most recent census, which recorded a population of 414 in 2020.