St. Louis County Mapping & Data
The mission of Saint Louis County's Open Data site is to provide accurate, consistent, accessible, affordable, and comprehensive data and GIS Services in partnership with public and private agencies . This site provides data downloads in Excel format, GIS format, etc. There are also interactive maps to find information you are looking for without needing to download data. Check out our most used applications, find specific data you are looking for or, click on a category below to browse the data.