La Grange
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 2.007
- State:
- Tennessee
La Grange is a town located in Fayette County, Tennessee. La Grange has a 2026 population of 120. La Grange is currently declining at a rate of 0% annually and its population has decreased by -3.23% since the most recent census, which recorded a population of 124 in 2020.