
Dayton
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 6.674
- State:
- Idaho
Dayton is a city located in Franklin County, Idaho. Dayton has a 2025 population of 547. Dayton is currently growing at a rate of 1.11% annually and its population has increased by 5.39% since the most recent census, which recorded a population of 519 in 2020.
The average household income in Dayton is $91,560 with a poverty rate of 2.02%. The median age in Dayton is 33.5 years: 26 years for males, and 39.8 years for females.