The Dalles
- County:
- Wasco County
- County Seat:
- Yes
- Area (mi²):
- 6.685
- State:
- Oregon
The Dalles is a city located in Wasco County, Oregon. The Dalles has a 2026 population of 15,884. It is also the county seat of Wasco County. The Dalles is currently growing at a rate of 0.48% annually but its population has decreased by -0.61% since the most recent census, which recorded a population of 15,981 in 2020.