Iowa Geospatial Data (geodata.iowa.gov) is the State of Iowa's open GIS data hub, providing authoritative statewide spatial data on an ArcGIS-based platform. It centralizes layers maintained by state agencies.
Coverage includes administrative boundaries, transportation, hydrography, imagery, elevation, and infrastructure, available as downloads (Shapefile, GeoJSON) and live ArcGIS services. It is the authoritative state-level source for Iowa GIS data.