Saint Peter, IL ZIP code
The ZIP code for Saint Peter (also written St. Peter), Illinois is 62880. It is in Fayette County.
- Population in these ZIPs
- 658
- Avg. median income
- $61,700population-weighted
- Typical home value
- $167,900population-weighted
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Saint Peter, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 62880 | 658 | $61,667 | $167,900 |
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 Peter
Frequently asked questions
What is the ZIP code for Saint Peter, IL?
The ZIP code for Saint Peter, IL is 62880.
What county is Saint Peter, Illinois in?
Saint Peter ZIP codes are in Fayette County.