County · Missouri · United States
Madison County ZIP codes
2 ZIP codes · 2 cities · FIPS 29123
Key facts
- State
- Missouri (MO)
- FIPS code
- 29123
- Population
- 12,665
- Median household income
- $58,435
- Median age
- 41.4
- Land area
- 494.4 sq mi (1,280.5 km²)
- Population density
- 26 / sq mi
- Area codes
- 235, 573
Cities and ZIP codes in Madison County (2)
| City | ZIP codes |
|---|---|
| Fredericktown | 63645 |
| Marquand | 63655 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.