Macomb ZIP Codes

List of Zip Codes of Macomb

The following table lists ZIP Codes associated with Macomb, Illinois, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude County Population Density
1 61455 40.44047 -90.65115 McDonough 17,511 41.6


About Macomb Illinois Zip Codes

The city of Macomb in Illinois (IL) is served by approximately 1 ZIP Codes. These codes cover residential neighborhoods, business districts, and surrounding localities that use the city name in their mailing address.

Based on ZIP-level population estimates, the combined population covered by these ZIP Codes is around 17,511 people. Population density can vary significantly from one ZIP Code to another, reflecting the mix of dense urban blocks, commercial corridors, and lower-density residential areas.

The ZIP Codes associated with Macomb fall within county jurisdictions such as McDonough. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for Macomb, Illinois follow the America/Chicago time zone.