Seneca, IL ZIP Code
ZIP code, county, time zone and coordinates of Seneca, Illinois
The ZIP code of Seneca, IL is 61360. It is in LaSalle County.
Mailing address format for Seneca
John Smith 123 Main St SENECA IL 61360 USA
USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.
All ZIP codes in Seneca
| ZIP code | Population | Area | |
|---|---|---|---|
| 61360 | — | 47.4 sq mi | Main |
ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.
Where is Seneca? Location, county and time zone
- State
- Illinois
- County
- LaSalle County
- GPS coordinates
- 41.30420, -88.61491
- Elevation
- 502 ft (153 m)
- Time zone
- America/ChicagoCST · UTC-06:00
- Population
- 2,353
Map of Seneca, IL 61360
Tap a place on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Seneca Street View
Drag to look around. Tap any place on the map above, or the "Street View" button on a card, to jump there.
Open in Google Maps ›ZIP codes near Seneca
Seneca ZIP code: FAQ
What is the ZIP code for Seneca, IL?
The main ZIP code for Seneca, IL is 61360.
How many ZIP codes does Seneca have?
Seneca has 1 ZIP code.
What county is Seneca, IL in?
Seneca is in LaSalle County, Illinois.
What time zone is Seneca in?
Seneca is in the America/Chicago time zone (CST, UTC-06:00 right now).
What are the coordinates of Seneca?
Latitude 41.30420, longitude -88.61491.
Last updated: