Peoria County, located in the state of Illinois, 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 Peoria County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
61523
61528
61529
61531
61605
61607
61601
61552
61655
61639
61634
61520
61565
61651
61615
61604
61606
61562
61525
61526
61536
61517
61614
61451
61539
61629
61625
61638
61643
61479
61569
61611
61652
61654
61636
61616
61637
61656
61559
61602
61612
61613
61533
61633
61603
61489
61547
61653
61630
61641

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

Peoria 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 Peoria County County?

There are approximately 50 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Peoria 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.