Decatur ZIP Codes

List of Zip Codes of Decatur

The following table lists ZIP Codes associated with Decatur, 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	62521	39.81435	-88.93086	Macon	32,455	190.0
2	62522	39.83008	-89.04743	Macon	14,984	241.6
3	62523	39.84372	-88.95289	Macon	802	693.1
4	62526	39.90322	-88.9902	Macon	31,191	182.6

About Decatur Illinois Zip Codes

The city of Decatur in Illinois (IL) is served by approximately 4 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 79,432 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 Decatur fall within county jurisdictions such as Macon. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

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

Decatur ZIP Codes

List of Zip Codes of Decatur

About Decatur Illinois Zip Codes

Illinois Cities ZIP Codes

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