Linneus
- County:
- Linn County
- County Seat:
- Yes
- Area (mi²):
- 1.066
- State:
- Missouri
Linneus is a city located in Linn County, Missouri. Linneus has a 2026 population of 280. It is also the county seat of Linn County. Linneus is currently growing at a rate of 1.08% annually and its population has increased by 0.72% since the most recent census, which recorded a population of 278 in 2020.