COUNTY · MO
Maries County, Missouri
Maries County is a county in Missouri with FIPS code 29125 and an estimated population of 8,430 (Census 2023), 96th largest of 115 in the state.
County facts
- Name
- Maries County
- State
- Missouri
- Type
- county
- FIPS code
- 29125
- State FIPS
- 29
- Population (2023)
- 8,430
- Change since 2020
- -0.2%
- State rank
- 96 of 115
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Maries County?
Maries County, Missouri has the five-digit FIPS code 29125: 29 for the state and 125 for the county.
What state is Maries County in?
Maries County is in Missouri.
How do I know if an address is in this county?
Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.