Access detailed ZIP Code datasets for Cass County, Illinois, tailored for GIS professionals managing location-based projects. This dataset encompasses 27 ZIP Code areas, featuring essential data such as land and water area measurements, and precise centroid coordinates for accurate mapping and analysis. Example ZIP Codes in this collection include Jacksonville (62650), Mount Sterling (62353), and Havana (62644), each defined with specific geographic and functional status details. This resource is ideal for professionals needing comprehensive postal data within the state of Illinois for planning, development, or research purposes.