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 2025 population of 1,243 . La Plata is currently declining at a rate of -0.08% annually and its population has decreased by -0.4% since the most recent census, which recorded a population of 1,248 in 2020.
The average household income in La Plata is $68,103 with a poverty rate of 10.42%. The median age in La Plata is 40.9 years: 37.3 years for males, and 43.9 years for females. For every 100 females there are 86.6 males.