Dayton
- County:
- Campbell County
- County Seat:
- No
- Area (mi²):
- 1.299
- State:
- Kentucky
Dayton is a city located in Campbell County, Kentucky. Dayton has a 2026 population of 5,854. Dayton is currently growing at a rate of 1% annually and its population has increased by 3.39% since the most recent census, which recorded a population of 5,662 in 2020.