In which county is ZIP code 61081 located?

ZIP 61081 is listed under Whiteside, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 61081: Sterling, IL

ZIP: 61081

County: Whiteside

Coordinates: 41.80550, -89.70540

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 61081 in Sterling, IL. We include verified county details for Whiteside plus key geographic references used for mapping and logistics.

Primary City	Sterling
ZIP Code	61081
County	Whiteside
State	IL
Latitude / Longitude	41.80550, -89.70540
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 61081 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 61081 are listed as 41.80550 / -89.70540, useful for GPS and service checks in and around Sterling, IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 61081 for mail delivery and general location reference in Whiteside, IL.

This ZIP may extend beyond the city core into nearby communities within Whiteside.

Related ZIP Codes (Nearby)

Explore other postal codes near Sterling within IL.

Frequently Asked Questions

What is the primary city for ZIP code 61081?

The primary city for this ZIP code is Sterling, located in IL.

In which county is 61081 located?

ZIP code 61081 is situated within Whiteside, IL.

What are the coordinates for 61081?

The approximate center point is 41.80550 (Latitude) and -89.70540 (Longitude).

Is ZIP code 61081 active?

This page lists ZIP 61081 as Listed based on the latest refresh date shown above.

Does ZIP 61081 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08