In which county is ZIP code 61435 located?

ZIP 61435 is listed under Warren, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 61435: Gerlaw, IL

ZIP: 61435

County: Warren

Coordinates: 40.98630, -90.54910

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 61435 in Gerlaw, IL. We include verified county details for Warren plus key geographic references used for mapping and logistics.

Primary City	Gerlaw
ZIP Code	61435
County	Warren
State	IL
Latitude / Longitude	40.98630, -90.54910
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 61435 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 61435 is commonly represented around 40.98630, -90.54910. These coordinates help identify the general area within Warren, IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 61435 for mail delivery and general location reference in Warren, IL.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Gerlaw within IL.

Frequently Asked Questions

What is the primary city for ZIP code 61435?

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

In which county is 61435 located?

ZIP code 61435 is situated within Warren, IL.

What are the coordinates for 61435?

The approximate center point is 40.98630 (Latitude) and -90.54910 (Longitude).

Is ZIP code 61435 active?

This page lists ZIP 61435 as Listed based on the latest refresh date shown above.

Does ZIP 61435 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