In which county is ZIP code 61458 located?

ZIP 61458 is listed under Knox, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 61458: Maquon, IL

ZIP: 61458

County: Knox

Coordinates: 40.78490, -90.20080

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Maquon, IL postal area 61458. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Maquon
ZIP Code	61458
County	Knox
State	IL
Latitude / Longitude	40.78490, -90.20080
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 61458 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 61458 is commonly represented around 40.78490, -90.20080. These coordinates help identify the general area within Knox, IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 61458 for mail delivery and general location reference in Knox, IL.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Maquon within IL.

Frequently Asked Questions

What is the primary city for ZIP code 61458?

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

In which county is 61458 located?

ZIP code 61458 is situated within Knox, IL.

What are the coordinates for 61458?

The approximate center point is 40.78490 (Latitude) and -90.20080 (Longitude).

Is ZIP code 61458 active?

This page lists ZIP 61458 as Listed based on the latest refresh date shown above.

Does ZIP 61458 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