Madison County, located in the state of Iowa, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to Madison County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
50222
50218
50155
50273
50257
50858
50229
50240
50261
50061
50069
50070
50801
50211
50149
50072
50033
50038
50210
50174

To know more about Madison County, click the button below:

Madison County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in Madison County County?

There are approximately 20 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Madison County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.