The Geographic Information Systems (GIS) staff is mandated by Idaho Code to map over 1,245 different taxing districts comprised of more than 3,288 tax code areas (TCA), to ensure that all areas are in compliance with Idaho Statutes and the Tax Commission’s Administrative Rules, and that property taxes are administered fairly and equitably.
Introduction to GIS and TCA Data
How to Documentation
Taxing Districts
Entities with authority
to levy a property tax
Data and Maps
Downloadable data and maps
Tax Code Areas
Unique entities known
as a Tax Code Area (TCA)
GIS Resources
Learn more about GIS with these educational resources
Proposed Annexations
Proposed changes to the counties
Education
Learn with our GIS resources
Historical Documents
View ordinances and other documentation
Contact Us
Contact our GIS department