ZIP Code 61031: Franklin Grove, IL
County: Lee
Coordinates: 41.85800, -89.31710
ZIP Type: Standard
Time Zone: Central Time (CT)
Get a reliable snapshot of the Franklin Grove, IL postal area 61031. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Franklin Grove |
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| ZIP Code | 61031 |
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| County | Lee |
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| State | IL |
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| Latitude / Longitude | 41.85800, -89.31710 |
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| ZIP Type | Standard |
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| Time Zone | Central Time (CT) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 61031 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 61031 is approximately 41.85800 (latitude) and -89.31710 (longitude). This location sits within Lee, contributing to regional planning across IL.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 61031 for mail delivery and general location reference in
Lee,
IL.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Franklin Grove.
Related ZIP Codes (Nearby)
Explore other postal codes near Franklin Grove within IL.
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Frequently Asked Questions
What is the primary city for ZIP code 61031?
The primary city for this ZIP code is Franklin Grove, located in IL.
In which county is 61031 located?
ZIP code 61031 is situated within Lee, IL.
What are the coordinates for 61031?
The approximate center point is 41.85800 (Latitude) and -89.31710 (Longitude).
Is ZIP code 61031 active?
This page lists ZIP 61031 as Listed based on the latest refresh date shown above.
Does ZIP 61031 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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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