Saint Jacob, IL ZIP code
The ZIP code for Saint Jacob (also written St. Jacob), Illinois is 62281. It is in Madison County.
- Population in these ZIPs
- 3,059
- Avg. median income
- $132,000population-weighted
- Typical home value
- $361,300population-weighted
- Metro area
- St. Louis, MO-IL
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Saint Jacob, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 62281 | 3,059 | $132,000 | $361,300 |
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 Jacob
- Troy 5 mi
- Marine 6 mi
- Highland 7 mi
- Lebanon 7 mi
- Summerfield 8 mi
- Trenton 8 mi
- Maryville 10 mi
- O Fallon 10 mi
- Aviston 11 mi
- Glen Carbon 11 mi
- Collinsville 11 mi
- Pierron 12 mi
Frequently asked questions
What is the ZIP code for Saint Jacob, IL?
The ZIP code for Saint Jacob, IL is 62281.
What county is Saint Jacob, Illinois in?
Saint Jacob ZIP codes are in Madison County.