Marietta ZIP Codes

List of Zip Codes of Marietta

The following table lists ZIP Codes associated with Marietta, 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 61459 40.50497 -90.41453 Fulton 290 3.2


About Marietta Illinois Zip Codes

The city of Marietta 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 290 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 Marietta fall within county jurisdictions such as Fulton. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

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