PolicyMap is a multi-disciplinary interactive online mapping and visualization tool that provides access to data, including, demographic, spending, housing, quality of life, economy, health, and more.
The tool provides easy mapping and report creation functions for U.S. Census data on population and housing, as well as statistics on religion, crime and health.
Site with St. Louis Metro area data related to demographics, health, socio-economic factors, and more. Select which counties on the Missouri or Illinois side of the metro area you'd like to pull data for.