I am proud to serve as Sheriff of Mercer County, an office that provides for an integral part of the Criminal Justice System in our county. My involvement in law enforcement spans more than twenty seven years, and includes duties as Sheriff of Mercer County since November 2010.

The following pages illustrate the many aspects of our Office, our accomplishments over the past years and re-affirms our pledge to you, the citizens of Mercer County to continue our tradition of dedicated, high quality law enforcement. We hope this web site will answer any questions you may have about this office.

Sheriff  John A. Kemler

Mercer County Police Academy


Mercer's Most Wanted



top of page 01

 Follow us on facebook Logo


Mercer County Sheriff's App for Apple device

Download Sherriff's App for Apple Device(s)


Mercer County Sheriff's app for Android 

Download Sherriff's App for Android Device(s)

top of page 01