Linn County Iowa GISThis feature layer contains Linn County, Iowa address points maintained by the Real Estate division of the Auditor's Office. This dataset is mainly used for geocoding operations. Update Frequency Approximately daily Additional Resources Visit Linn County, Iowa on the web. Visit Linn County, Iowa GIS on the web. Visit the Linn County, Iowa GIS portal . This site is updated as needed to reflect maps, apps, and data of interest from various County departments. Contact Information Questions? Contact the GIS Division by phone at 319.892.5250 or by email .ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/35d933c16f1b4eae92d09b344709adf4_0engLinn County, Iowa Open Data PortalPublicReal Estate Address [Iowa--Linn County]Web servicesIowa--Linn CountyIowaLast Modified: 2026-01-08