Seneca, IL ZIP Codes
Seneca, Illinois has 1 ZIP code.
City Overview
| City | Seneca |
|---|---|
| State | Illinois (IL) |
| County | LaSalle |
| ZIP Codes | 1 |
| Population (ZIP total) | 3,614 |
| Timezone | America/Chicago (UTC-5) |
ZIP Codes in Seneca
| ZIP Code | County | Population |
|---|---|---|
| 61360 | LaSalle | 3,614 |
Population figures: US Census Bureau, 2012–2016 ACS 5-year estimates.
Map
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Frequently Asked Questions
Seneca, Illinois has 1 ZIP code(s): 61360. Larger cities span multiple ZIP codes covering different neighborhoods.
Seneca, IL has 1 ZIP code(s).