Overview
Williamson County GIS Data – For CAD
Equator helps civil engineering, architecture and consulting firms with the tools to instantly find, process and download accurate LiDAR, contours, parcel data, building footprints, DEMs, point clouds and other GIS data for Williamson County in an online web mapping portal.
Williamson County GIS Data →

Data Available
Download GIS Data for Williamson County

Parcels and Buildings
This image shows parcel and building data in Williamson County created using GIS data in Equator.
Get Parcels and Buildings for Williamson County
LiDAR
This image shows a LiDAR point cloud in Williamson County created using GIS data in Equator.
Get LiDAR for Williamson County
Contours
This image shows a contour map in Williamson County created using GIS data in Equator.
Get Contours for Williamson CountyBackground
GIS Data for Williamson County
The Williamson County Geographic Information System (GIS) webpage provides access to a range of spatial data resources, including a searchable database of land parcels and an aerial map covering over 46,000 parcels within the county. The site facilitates the exploration of various GIS datasets, which may include parcel data, zoning information, and aerial imagery, serving as a valuable tool for residents and stakeholders interested in geographic and land-use information in Williamson County, Illinois.
Access Williamson County GIS Data in Equator →Williamson County Portal →Showcase
Sample GIS Data for Williamson County

Parcels and Buildings
Parcel and building data in Williamson County are used in a variety of fields including architecture, real estate, and urban planning.
Get Parcels and Buildings for Williamson County
LiDAR
Point clouds (LiDAR) in Williamson County can produce highly accurate 3D models of terrain, structures, and vegetation.
Get LiDAR for Williamson County
Contours
Contours in Williamson County visualize 3D elevations on a 2D surface allowing you to better understand your site.
Get Contours for Williamson County