About the County

2020 Census

Information about and resources for the 2020 U.S. Census.

EDC Business and Community Partners

Find out more about the Economic Development Center of St. Charles County.

Cities & Neighborhoods

View a list of jurisdictions.

Education and Schools

Review a list of schools, colleges and universities.

Family Arena

The Family Arena is a multi-purpose event venue and arena in St. Charles, Missouri. In addition to sporting events, concerts, circuses and ice shows, The Family Arena can also be used for trade shows, graduations, and conferences & exhibits.

GIS Maps and Data

Convention and Visitors Bureau

Saint Charles County Historical Society

St. Charles City-County Library District

Protecting Our Resources

The development of the county's strategy for floodplain development began in October 1997 when more than 350 individuals throughout the county helped to formulate a dynamic plan for floodplain management in the county, entitled Protecting Our Resources.

Protecting Your Environment

Information for residents about ways to protect the environment in St. Charles County