In which county is ZIP code 61259 located?

ZIP 61259 is listed under Rock Island, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 61259: Illinois City, IL

ZIP: 61259

County: Rock Island

Coordinates: 41.38920, -90.89250

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Illinois City, IL postal area 61259. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Illinois City
ZIP Code	61259
County	Rock Island
State	IL
Latitude / Longitude	41.38920, -90.89250
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 61259 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 61259 are listed as 41.38920 / -90.89250, useful for GPS and service checks in and around Illinois City, IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 61259 for mail delivery and general location reference in Rock Island, IL.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Illinois City within IL.

Frequently Asked Questions

What is the primary city for ZIP code 61259?

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

In which county is 61259 located?

ZIP code 61259 is situated within Rock Island, IL.

What are the coordinates for 61259?

The approximate center point is 41.38920 (Latitude) and -90.89250 (Longitude).

Is ZIP code 61259 active?

This page lists ZIP 61259 as Listed based on the latest refresh date shown above.

Does ZIP 61259 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