Effingham County, Illinois, offers a comprehensive ZIP Codes dataset tailored for GIS professionals seeking precise geospatial data. This dataset encompasses 21 ZIP codes, each defined by detailed attributes such as land area, water area, and precise centroids (latitude and longitude). Examples of ZIP codes included are Edgewood, Altamont, and Dieterich, providing extensive coverage across the county for robust spatial analysis and mapping applications. Ideal for regional planning and development projects, this dataset serves as an essential resource for accurate geolocation and demographic studies within Effingham County.