Mercer Police Departments List by Name
- Greenville - West Salem Police Department
- Greenville Police Department
- Grove City Police Department
- Hempfield Township Police Department
- Hempfield Twp Police Department
- Hermitage Police Department
- Jamestown Police Department
- Mercer County Sheriff's Office
- Mercer Police Department
- Sharon Police Department
- Sharpsville Police Department
- South Pymatuning Police Department
- Stoneboro Police Department
- Thiel College Campus Police Department