Sheriff Andy Sullivan
SHERIFF'S OFFICE
DeKalb County, IL
Our Mission
Our mission is to serve and protect all citizens of DeKalb County by providing the highest quality of law enforcement and correctional services in the most professional manner.





The DeKalb County Sheriff’s Office is a full-service law enforcement unit that includes patrol, investigations, corrections, telecommunications and civil process. In addition, the Sheriff’s Office provides contract law enforcement services to other entities within the county.
The Sheriff’s Office is a 24/7 operation throughout the 650 square miles of DeKalb County.