The Hillsdale County Sheriff's Office has a Patrol Division that consists of the Traffic Division, Uniform, and the Mounted Division.

• Uniform Division - Responsible for answering all calls for service within the jurisdictional boundaries of Hillsdale County.
    
  
  • Traffic Services - Part of the HCSO Uniform Division whose primary focus is accident investigations, accident reconstruction and accident prevention.
     
  • Civil Services - The HCSO Uniform Division provides civil services to the residents of Hillsdale County.
     
• Mounted Division - Volunteers dedicated to providing safety and security at large public events by providing high visibility of law enforcement officers.
   
• K-9 Unit - Provides specialized law enforcement capabilities to detect narcotics, article searches, man tracking, building clearing and handler protection.