Jefferson County Court Cases

This county offers online access to court case information and records.

The Jefferson County courthouse resides in the county seat city of Hillsboro. Originally formed from St. Louis and Sainte Genevieve counties, Jefferson County was named after St. Louis and Sainte Genevieve counties. The county was established in 1818 and has a reported population of 218733 residents. The total land area of Jefferson County consists of 657 square miles.