Williamson County makes a variety of GIS data available to the public. The table below is our online catalog, and most of data are available for immediate download. Other data must be requested via our request form, and still others are linked from other agencies that provide data for Williamson County.
For more information about a data set, please click the metadata link under the data column. If you have questions or need additional information, please feel free to contact us.
All of the data provided by Williamson County will be in ESRI Shapefile format. The files will be in a zipped folder (.ZIP file extension) to conserve bandwidth. Information is provided below on the file formats used and software programs that may be used to access this data.
The datasets below are free of charge to download. Please be aware that there is a fee for creating data, copying to media (DVD) and GIS analysis. Please see the charges for public maps and data below.
Click Here for Charges for Public Maps and Data
Williamson County GIS Data Catalog