About Us

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Who we are

We are a team of 5 dedicated GIS professionals with total of over 55 years of experience in the field. We came from different educational backgrounds, such as geography, city planning, or crime analysis, but everyone's focus is the same: To use GIS technology to solve the problems of the real world. Over the years, we have followed the latest developments in GIS technology closely to take advantage of newer and better ways to do our job.

What we do

Our services include three major areas: Maps, Applications, and Data. They work together to help our customers make better decisions and improve productivity. Many pre-made maps are freely available in our "Map Gallery" for viewing and downloading. They cover wide areas of interests and meet many of our customers' basic needs. They are updated annually, and new maps are added actively. We do customized maps upon request, which may include complex analysis. Similar to our maps, we have many datasets freely available at our "Data Store" available for download. Larger dataset and customized data requesst can be fulfilled on an individual basis. Although our data come from a variety of sources, the majority of our data are developed in-house by either county staff or private contractors. To put our large amounts of data to better use, we build both online and desktop applications to provide capabilities for viewing and analyzing data. We also coordinate or participate in many GIS projects at the local, state, and federal levels and provide educational resources on GIS to the county and the community.

Be part of our team

We would like to personally thank you for stopping by our online home. As a county department, we are here to serve every resident of the County of Will and the general public at large on their needs for spatial information relevant to their work and their daily life. Your input will enable us to do a better job of serving you. So if you have any suggestions or comments, feel free to send them to gis@willcountyillinois.com, call us at 815-774-6343 or stop by our office in Joliet, IL. Enjoy your visit.

Tong Zhou
Director