Millen
- County:
- Jenkins County
- County Seat:
- Yes
- Area (mi²):
- 3.579
- State:
- Georgia
Millen is a city located in Jenkins County, Georgia. Millen has a 2026 population of 2,980. It is also the county seat of Jenkins County. Millen is currently growing at a rate of 0.85% annually and its population has increased by 0.78% since the most recent census, which recorded a population of 2,957 in 2020.