GIS and Maps

GIS Resources

What is GIS?

Main GIS Map

Hamilton County GENERAL VIEWER 

Learn more about the General Viewer: General Viewer Guide 

All GIS Maps

Hamilton County GIS Portal 

GIS Data for Download

Hamilton County GIS Portal (Look for Data Downloads) 

To download the 2019 Topography layers or the current Parcel layer, visit the Hamilton County FTP site. Several modern browsers are no longer supporting ftp; we are working on an alternative. In the meantime, if you run into issues, please try Internet Explorer.
ftp://ftp.hamiltoncounty.in.gov/GIS/Data/