Mascoutah, IL ZIP code
The ZIP code for Mascoutah, Illinois is 62258. It is in St. Clair County.
- Population in these ZIPs
- 10,437
- Avg. median income
- $94,700population-weighted
- Typical home value
- $259,300population-weighted
- Metro area
- St. Louis, MO-IL
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Mascoutah, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 62258 | 10,437 | $94,655 | $259,300 |
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 Mascoutah
- New Baden 6 mi
- Freeburg 6 mi
- Scott Air Force Base 7 mi
- New Memphis 7 mi
- Saint Libory 8 mi
- Summerfield 10 mi
- Lenzburg 10 mi
- Albers 10 mi
- Lebanon 10 mi
- Addieville 11 mi
- Belleville 11 mi
- Trenton 12 mi
Frequently asked questions
What is the ZIP code for Mascoutah, IL?
The ZIP code for Mascoutah, IL is 62258.
What county is Mascoutah, Illinois in?
Mascoutah ZIP codes are in St. Clair County.