In which county is ZIP code 61110 located?

ZIP 61110 is listed under Winnebago, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 61110: Rockford, IL

ZIP: 61110

County: Winnebago

Coordinates: 42.32540, -89.17050

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 61110 in Rockford, IL. We include verified county details for Winnebago plus key geographic references used for mapping and logistics.

Primary City	Rockford
ZIP Code	61110
County	Winnebago
State	IL
Latitude / Longitude	42.32540, -89.17050
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 61110 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 61110 are listed as 42.32540 / -89.17050, useful for GPS and service checks in and around Rockford, IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 61110 for mail delivery and general location reference in Winnebago, IL.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Rockford within IL.

Frequently Asked Questions

What is the primary city for ZIP code 61110?

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

In which county is 61110 located?

ZIP code 61110 is situated within Winnebago, IL.

What are the coordinates for 61110?

The approximate center point is 42.32540 (Latitude) and -89.17050 (Longitude).

Is ZIP code 61110 active?

This page lists ZIP 61110 as Listed based on the latest refresh date shown above.

Does ZIP 61110 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