La Plata
- County:
- Macon County
- County Seat:
- No
- Area (mi²):
- 1.588
- State:
- Missouri
La Plata is a city located in Macon County, Missouri. La Plata has a 2026 population of 1,244. La Plata is currently growing at a rate of 0.08% annually but its population has decreased by -0.32% since the most recent census, which recorded a population of 1,248 in 2020.