Dyer
- County:
- Gibson County
- County Seat:
- No
- Area (mi²):
- 2.863
- State:
- Tennessee
Dyer is a city located in Gibson County, Tennessee. Dyer has a 2026 population of 2,328. Dyer is currently growing at a rate of 0.09% annually and its population has increased by 0.95% since the most recent census, which recorded a population of 2,306 in 2020.