COVID-19 LIBRARY CLOSURE EXTENDED - We have extended our temporary closure to align with recommendations from the St. Charles County Department of Public Health and area school district closings. Branches will be closed at least until April 27. Learn more here.

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Community Information

St. Charles County is a fast growing community with an estimated population of 373,495.1 As of 2012, there are 143,699 Housing Units, the Median Household income is $71,416, and 24.9% of the population is under the age of 18.1

For more statistical information on population, health, crime, etc. please select a link from the menu at the left of the page.

 1 USCensus Bureau: State & CountyQuickfacts: St. Charles County, MO( retrieved: 4-15-10