Gerlaw ZIP code, Illinois
The ZIP code for Gerlaw, IL is 61435, and its area code is 309.
- USPS city name
- 1 ZIP code
- Population
- 271
- Area code
- 309
- County
- Warren County
- State
- Illinois
NANPA lists no telephone rate centre for Gerlaw itself, so these are the area codes of the nearest one, Alexis (5.7 miles). A town on an area-code boundary can differ from its neighbour.
Gerlaw in numbers
About 271 people live in Gerlaw, in 87 households.
| Population | 271 |
|---|---|
| Households | 87 |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Gerlaw. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Gerlaw
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
61435 | Gerlaw , IL | Standard | 271 | — | — |
Map of Gerlaw ZIP codes
The ZIP codes of Gerlaw, 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 Gerlaw
The nearest larger towns are Alexis (814 people, 4.7 mi), Monmouth (8,581 people, 6.8 mi) and Cameron (280 people, 7.9 mi).
| Town | Population | Distance |
|---|---|---|
| Monmouth | 8,581 | 6.8 mi |
| Galesburg | 29,481 | 10.5 mi |
| Abingdon | 3,443 | 15.9 mi |
| Knoxville | 3,211 | 16.0 mi |
| Aledo | 3,668 | 16.8 mi |
More nearby: every ZIP code in Warren County · Illinois ZIP codes
Cite this page
zipcodes.pro. “Gerlaw, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/gerlaw
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