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

Zip code
61360
60437
60552
60548
60549
61373
61311
61358
60470
60531
61377
61301
61342
60557
61372
61354
61370
61336
60541
61348
61350
61334
61333
61320
60537
60551
61364
61325
61321
61332
61316
60518
61341
61371

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

Lasalle 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 Lasalle County County?

There are approximately 34 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Lasalle 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.