In which county is ZIP code 61540 located?

ZIP 61540 is listed under Marshall, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 61540: Lacon, IL

ZIP: 61540

County: Marshall

Coordinates: 41.02160, -89.40080

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 61540 in Lacon, IL. We include verified county details for Marshall plus key geographic references used for mapping and logistics.

Primary City	Lacon
ZIP Code	61540
County	Marshall
State	IL
Latitude / Longitude	41.02160, -89.40080
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 61540 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 61540 is approximately 41.02160 (latitude) and -89.40080 (longitude). This location sits within Marshall, contributing to regional planning across IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 61540 for mail delivery and general location reference in Marshall, IL.

Some addresses near Lacon may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Lacon within IL.

Frequently Asked Questions

What is the primary city for ZIP code 61540?

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

In which county is 61540 located?

ZIP code 61540 is situated within Marshall, IL.

What are the coordinates for 61540?

The approximate center point is 41.02160 (Latitude) and -89.40080 (Longitude).

Is ZIP code 61540 active?

This page lists ZIP 61540 as Listed based on the latest refresh date shown above.

Does ZIP 61540 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