In which county is ZIP code 61931 located?

ZIP 61931 is listed under Coles, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 61931: Humboldt, IL

ZIP: 61931

County: Coles

Coordinates: 39.60120, -88.31410

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Humboldt, IL postal area 61931. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Humboldt
ZIP Code	61931
County	Coles
State	IL
Latitude / Longitude	39.60120, -88.31410
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 61931 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 61931 is approximately 39.60120 (latitude) and -88.31410 (longitude). This location sits within Coles, contributing to regional planning across IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 61931 for mail delivery and general location reference in Coles, IL.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Humboldt within IL.

Frequently Asked Questions

What is the primary city for ZIP code 61931?

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

In which county is 61931 located?

ZIP code 61931 is situated within Coles, IL.

What are the coordinates for 61931?

The approximate center point is 39.60120 (Latitude) and -88.31410 (Longitude).

Is ZIP code 61931 active?

This page lists ZIP 61931 as Listed based on the latest refresh date shown above.

Does ZIP 61931 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