Geographic Information Systems

The GIS Department is responsible for creating, maintaining, analyzing and distributing the county's geographic base data. The primary function of the department is to support county operations.

2021 Commissioner Redistricting

On December 29, 2021, the Board of County Commissioners voted to reapportion county commissioner districts according to Option 3 as presented. All plans and interactive maps can be viewed at www.sanmiguelcountyco.gov/redistricting2021.

2021 Commissioner Districts Map (PDF)

Open Data

Visit our Open Data site to explore and download data, use REST services, preview data, and see metadata. Take a tour with this short YouTube video.

Interactive Mapping Websites

Visit the county’s interactive mapping websites to learn more about the county. Overlay property information, topographic maps, aerial photos, roads, wildlife and more!

Link to interactive mapping website gallery

Training

App tours and a tutorial video playlist are available on YouTube. Send your topic suggestions to the GIS Department.

  1. Data
  2. Maps

Visit our Open Data site to explore and download data, use REST services, preview data, and see metadata. Take a tour with this short YouTube video.

Historic Maps of Telluride

Interested in historic maps? The University of Colorado has the Sanborn Fire Insurance Maps available for online viewing. They are large scale and highly detailed maps from the late 1800s / early 1900s.

Story Maps

What is a Story Map? A Story Map is an interactive media format for sharing stories. The GIS Department has worked with different departments and groups to create presentations of the Parks & Open Space Annual Reports and an introduction to the Upper San Miguel Basin Landscape Assessment.