GIS stands for Geographic Information Systems and is a form of information technology that allows viewers to interactively explore and analyze geographic data in a map. GIS involves using mapping software, hardware, and databases in order to create, maintain, and view maps. Learn more about GIS.

Our Role

The mission of the Peoria County GIS Division is to provide customers with up-to-date geographic information. GIS can be used in a variety of ways: 

  • Data analysis
  • Decision making
  • Improving communication
  • Problem solving
  • Property tax information
  • Querying addresses
  • Zoning

The Division strives to provide GIS services that are easily accessible and dynamic.

Peoria County Front Desk

The Peoria County Front Desk application uses JavaScript/HTML5 and can be used on any device. This application can also be used with the most popular internet browsers such as Google Chrome, Firefox, Internet Explorer (9 or higher), and Safari. View a Training Guide (PDF).

Caution: This application uses the latest parcel information which is the 2018 tax year. Property sale information available includes: residential only, valid sales only, and from the years 2012 to 2017.

Peoria County Interactive Maps & GIS Data

For additional interactive maps and GIS data please visit the new Peoria County GIS website.