Combined Violent and Property Crime Offenses Known to Law Enforcement in St. Clair County, IL was 452.00000 Known Incidents in January of 2021, according to the United States Federal Reserve. Historically, Combined Violent and Property Crime Offenses Known to Law Enforcement in St. Clair County, IL reached a record high of 1135.00000 in January of 2010 and a record low of 452.00000 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Combined Violent and Property Crime Offenses Known to Law Enforcement in St. Clair County, IL - last updated from the United States Federal Reserve on May of 2024.