Milan
- County:
- Sullivan County
- County Seat:
- Yes
- Area (mi²):
- 1.773
- State:
- Missouri
Milan is a city located in Sullivan County, Missouri. Milan has a 2026 population of 1,749. It is also the county seat of Sullivan County. Milan is currently declining at a rate of -1.52% annually and its population has decreased by -3.8% since the most recent census, which recorded a population of 1,818 in 2020.