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.

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.

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)