GIS Division (Maps)

What is GIS?

A Geographic Information System (GIS) is a computer technology that combines geographic location data with other types of location information characteristics to generate visual maps and reports. Linn County GIS works with other County departments and jurisdictions to generate location-based data to create maps and reports.

Learn more about GIS.

Popular Interactive Maps

Online GIS Portal

The Linn County GIS Portal provides access to all of Linn County’s GIS web maps, applications, and data layers.

Printable Maps

The Linn County Printable Maps page provides download access to frequently requested maps. These maps are typically updated annually and are in PDF format.

Downloadable Data

The Linn County Open Data portal provides open access to geospatial content within Linn County. Datasets are available for download in various formats including GeoJSON, SHP, CSV and others.


National and Statewide Data

Below are a few resources that contain GIS data for Linn County as well as other locations.