Peabody
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 1.266
- State:
- Kansas
Peabody is a city located in Marion County, Kansas. Peabody has a 2026 population of 916. Peabody is currently declining at a rate of -1.08% annually and its population has decreased by -2.24% since the most recent census, which recorded a population of 937 in 2020.