In which county is ZIP code 50131 located?

ZIP 50131 is listed under Polk County, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 50131: Johnston, IA

ZIP: 50131

County: Polk County

Coordinates: 41.67300, -93.70280

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Johnston, IA postal area 50131. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Johnston
ZIP Code	50131
County	Polk County
State	IA
Latitude / Longitude	41.67300, -93.70280
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 50131 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 50131 is commonly represented around 41.67300, -93.70280. These coordinates help identify the general area within Polk County, IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 50131 for mail delivery and general location reference in Polk County, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Johnston within IA.

Frequently Asked Questions

What is the primary city for ZIP code 50131?

The primary city for this ZIP code is Johnston, located in IA.

In which county is 50131 located?

ZIP code 50131 is situated within Polk County, IA.

What are the coordinates for 50131?

The approximate center point is 41.67300 (Latitude) and -93.70280 (Longitude).

Is ZIP code 50131 active?

This page lists ZIP 50131 as Listed based on the latest refresh date shown above.

Does ZIP 50131 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