Mascoutah ZIP code, Illinois
The ZIP code for Mascoutah, IL is 62258, and its area code is 618.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 3 more
- Population
- 8,816
- Area code
- 618
- County
- St. Clair County
- State
- Illinois
Mail addressed to Mascoutah uses the ZIP code above. 3 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.
Mascoutah in numbers
About 8,816 people live in Mascoutah, in 3,093 households. The median household income is $97,375 a year, 17% above the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $224,900 (15% below the Illinois median), and median gross rent is $1,370 a month. The median age is 37.5; 30.8% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 24 minutes.
| Population | 8,816 |
|---|---|
| Households | 3,093 |
| Median age | 37.5 |
| Median household income | $97,375 |
| Median home value | $224,900 |
| Median gross rent | $1,370 |
| Bachelor's degree or higher | 30.8% |
| Mean commute | 23.5 min |
| Population density | 915 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Mascoutah city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Mascoutah
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
62258 | Mascoutah , IL | Standard | 10,437 | $94,655 | $232,500 |
Other ZIP codes overlapping Mascoutah
These ZIP codes cover part of Mascoutah but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
62221 | Belleville , IL | Standard | 29,875 | $82,271 | $217,500 |
62225 | Scott Air Force Base , IL | Standard | 5,242 | $103,284 | — |
62254 | Lebanon , IL | Standard | 6,710 | $96,492 | $218,000 |
Map of Mascoutah ZIP codes
The ZIP codes of Mascoutah, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Mascoutah
The nearest larger towns are Shiloh (14,572 people, 6.5 mi), O'Fallon (32,262 people, 8.4 mi) and Belleville (41,370 people, 10 mi).
| Town | Population | Distance |
|---|---|---|
| Scott AFB | 3,957 | 3.3 mi |
| New Baden | 3,463 | 5.2 mi |
| Lebanon | 4,474 | 5.7 mi |
| Shiloh | 14,572 | 6.5 mi |
| Freeburg | 4,592 | 8.3 mi |
| O'Fallon | 32,262 | 8.4 mi |
| Trenton | 2,664 | 8.8 mi |
| Belleville | 41,370 | 10.3 mi |
| Swansea | 14,710 | 10.4 mi |
| Fairview Heights | 16,745 | 12.3 mi |
| Smithton | 3,680 | 12.5 mi |
| Caseyville | 4,130 | 14.8 mi |
| Troy | 11,647 | 15.2 mi |
| Collinsville | 24,031 | 15.6 mi |
More nearby: every ZIP code in St. Clair County · Illinois ZIP codes
Cite this page
zipcodes.pro. “Mascoutah, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/mascoutah
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