Neosho
- County:
- Newton County
- County Seat:
- Yes
- Area (mi²):
- 15.583
- State:
- Missouri
Neosho is a city located in Newton County, Missouri. Neosho has a 2026 population of 13,782. It is also the county seat of Newton County. Neosho is currently growing at a rate of 2.2% annually and its population has increased by 8.3% since the most recent census, which recorded a population of 12,726 in 2020.