Polk 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 Polk County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
50109
50318
50009
50319
50032
50364
50169
50244
50313
50314
50317
50391
50324
50302
50304
50362
50380
50161
50046
50035
50054
50237
50316
50320
50395
50363
50368
50359
50361
50328
50061
50325
50265
50327
50007
50168
50301
50360
50023
50228
50226
50311
50312
50156
50131
50315
50310
50305
50303
50111
50047
50323
50243
50392
50398
50021
50073
50322
50266
50321
50309
50124
50947

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

Polk 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 Polk County County?

There are approximately 63 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Polk 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.