Hartville
- County:
- Platte County
- County Seat:
- No
- Area (mi²):
- 0.259
- State:
- Wyoming
Hartville is a town located in Platte County, Wyoming. Hartville has a 2026 population of 68. Hartville is currently declining at a rate of 0% annually and its population has increased by 1.49% since the most recent census, which recorded a population of 67 in 2020.