Saint Joseph, IL ZIP code
The ZIP code for Saint Joseph (also written St. Joseph), Illinois is 61873. It is in Champaign County.
- Population in these ZIPs
- 5,779
- Avg. median income
- $117,600population-weighted
- Typical home value
- $294,500population-weighted
- Metro area
- Champaign-Urbana, IL
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Saint Joseph, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61873 | 5,779 | $117,578 | $294,500 |
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 Joseph
Frequently asked questions
What is the ZIP code for Saint Joseph, IL?
The ZIP code for Saint Joseph, IL is 61873.
What county is Saint Joseph, Illinois in?
Saint Joseph ZIP codes are in Champaign County.