Welcome to St. Louis County's GIS Open Data Website

We are excited to offer this Open Data Website, which is intended to easily provide public data available for download. We will continue to develop and add to our data inventory to make the site more valuable to our users. We appreciate your comments and ask that you send feedback to gis@stlouisco.com.

More maps and apps available from the St. Louis County GIS Service Center can be found at the following URL:

Our Mission

To work in partnership with public and private agencies to provide accurate, consistent, accessible, and comprehensive data and GIS services. Our goal is to bring St. Louis County's public data together, keep it updated, and make it available to all.

How to use this site

Use the search bar at the top of the page to find data. As you browse through the different data, the extent of each will be displayed on the map. Once you find what you are looking for, select the data to be able to view the data and get options for download. Alternatively, click here for a current list of data.

Other St. Louis County GIS Resources

http://maps.stlouisco.com/propertyview/ http://maps.stlouisco.com/police/ http://stlcogis.maps.arcgis.com/apps/OnePane/basicviewer/index.html?appid=bacebdde61fe43c7887d831238920f22

How to Download Data

GIS Data for St. Louis County is offered for download in several ways. Data can be downloaded as shapefiles, KML, or CSV for tables and spreadsheets. Additionally, by using the API link, data from this site can be embedded in other applications with the feature service link or GeoJson.

St. Louis County makes no warranty for fitness of use for a particular purpose express or implied, with respect to this map product. Every reasonable effort has been made to assure the accuracy of the maps and data provided; nevertheless, some information may not be accurate. Any user of this map product accepts its faults and assumes all responsibility for the use thereof,and further agrees to hold St. Louis County Government harmless from and against any damage, loss or liability arising from any use of the map product. Do not make business decisions based on this data before validating your decision with the appropriate agency.
Please direct all other requests for St. Louis County GIS data to the GIS Service Center: 314-615-4GIS (4447) or gis@stlouisco.com.