Geographic Information Systems


A Geographic Information Systems (GIS) is a computer system used to capture, manipulate, and display geographic information.  GIS tasks that can be performed include feature buffering, overlay analysis, location analysis, creating continuous density maps from point data, visual impact assessment, and routing applications such as shortest distance calculations and creating drive time service areas.  Software applications can be made for special tasks such as, using spatial analysis to resolve work crew scheduling conflicts or determining allocation of services by council district.

  • Census Tract Boundaries
  • Census Block Boundaries
  • Census Block Group Boundaries
  • County Boundary
  • Day Care Centers
  • Fire Stations
  • Flood Zones
  • Hydrology
  • Police Zones
  • Public Housing
  • School Sites
  • Wetlands
  • Zip Code Boundaries
  • Zoning



The City of Decatur presents the information on this web site as a service to the public. We have tried to ensure that the information contained in this electronic document is accurate. The City of Decatur makes no warranty or guarantee concerning the accuracy or reliability of the content at this site or at other sites to which we link. Assessing accuracy and reliability of information is the responsibility of the user. The City of Decatur shall not be liable for errors contained herein or for any damages in connection with the use of the information contained herein.

Contact Person: Ricky Thompson