Grand Junction
- County:
- Hardeman County
- County Seat:
- No
- Area (mi²):
- 1.187
- State:
- Tennessee
Grand Junction is a city located in Hardeman County, Tennessee. Grand Junction has a 2026 population of 330. Grand Junction is currently declining at a rate of -0.9% annually and its population has decreased by -2.37% since the most recent census, which recorded a population of 338 in 2020.