
Dayton
- County:
- Yamhill County
- County Seat:
- No
- Area (mi²):
- 0.836
- State:
- Oregon
Dayton is a city located in Yamhill County, Oregon. Dayton has a 2025 population of 2,637. Dayton is currently declining at a rate of -0.23% annually and its population has decreased by -1.2% since the most recent census, which recorded a population of 2,669 in 2020.
The average household income in Dayton is $102,009 with a poverty rate of 18.14%. The median age in Dayton is 36.3 years: 36.6 years for males, and 34.3 years for females.