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Peoria County GIS: Home

What is GIS?

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.

To learn more about GIS please see:

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; improving communication, decision making, problem solving, data analysis, zoning, querying addresses and property tax information, and much more.  The Division strives to provide GIS services that are easily accessible and dynamic.


app-store.pngInteractive Maps for Mobile Devices

Currently, the Peoria County GIS Division has developed an interactive map application known as "Parcel Value."  This mobile map application allows you to view tax assessment and sales information along with GIS parcel boundaries and aerial imagery.  The Parcel Value application is compatible with Apple iOS mobile devices such an iPhone, iPad, or iPod Touch.  See the Press releaseNews coverage & Here or Get The App yourself. It can run on iOS 5 and higher.

In the near future, the Division plans to provide a more robust mobile map application that would be compatible with most types of mobile devices.

*New* Peoria County GIS - Silverlight

Peoria County GIS - Silverlight
This mapping application is the Assessment Front Desk Tool. This robust Geographic Information System (GIS) site will still meet your needs for comparable sales and assessment information as well as much more.

It has been enhanced for Public and County staff use. We continue to edit, modify and improve the application as we get feedback and suggestions. Now it works on Mac computers!

This requires Microsoft Silverlight Browser Add-on, Get it here

Click on any of the image thumbnails below to view maps by a specific category.