Saint Charles, IA ZIP code
The ZIP code for Saint Charles (also written St. Charles), Iowa is 50240. It is in Madison County.
- Population in these ZIPs
- 2,393
- Avg. median income
- $107,600population-weighted
- Typical home value
- $398,100population-weighted
- Metro area
- Des Moines-West Des Moines, IA
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Saint Charles, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 50240 | 2,393 | $107,563 | $398,100 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Saint Charles
- Saint Marys 3 mi
- Bevington 4 mi
- Patterson 6 mi
- Prole 6 mi
- Martensdale 6 mi
- New Virginia 9 mi
- Truro 9 mi
- Peru 10 mi
- Indianola 11 mi
- Norwalk 12 mi
- Cumming 12 mi
- Winterset 13 mi
Frequently asked questions
What is the ZIP code for Saint Charles, IA?
The ZIP code for Saint Charles, IA is 50240.
What county is Saint Charles, Iowa in?
Saint Charles ZIP codes are in Madison County.