Upton
- County:
- Hardin County
- County Seat:
- No
- Area (mi²):
- 1.358
- State:
- Kentucky
Upton is a city located in Hardin County, Kentucky. Upton has a 2026 population of 703. Upton is currently declining at a rate of -1.54% annually and its population has decreased by -0.57% since the most recent census, which recorded a population of 707 in 2020.