The Jefferson County, Missouri, Council is committed to the continued economic vitality of our county while maintaining the highest quality of life for our residents. This will be accomplished through proper planning, continuous improvements to our infrastructure and strong fiscal management. As servants of the people, each and every employee of Jefferson County is charged with making the needs of our citizens the top priority in the decision-making process.

Government is a service industry and we intend to satisfy you, our "customers." 

Mailing Address:      PO Box 100

                                Hillsboro, MO 63050

Phone:                    636-797-5400

Fax:                        636-797-5506

Physical Address:   Jefferson County Administration Center 
                               729 Maple St., Suite G30
                               Hillsboro, MO 63050
  

Office Hours:          8:00.a.m. - 5:00.p.m.
                              Monday - Friday