
Palmyra
- County:
- Marion County
- County Seat:
- Yes
- Area (mi²):
- 3.103
- State:
- Missouri
Palmyra is a city located in Marion County, Missouri. Palmyra has a 2025 population of 3,588. It is also the county seat of .Palmyra is currently declining at a rate of -0.17% annually and its population has decreased by -0.83% since the most recent census, which recorded a population of 3,618 in 2020.
The average household income in Palmyra is $80,914 with a poverty rate of 10.09%. The median age in Palmyra is 37.5 years: 37.3 years for males, and 37.9 years for females.