Grinnell Police Department

Chief Dennis Reilly
Address 1020 Spring St.
Grinnell IA 06776
Phone 641-236-2670


The Grinnell Police Department proudly serves a population of 9,218, which includes approximately 1,600 students who attend Grinnell College. The City of Grinnell is located in Central Iowa, adjacent to U.S. Interstate 80, and approximately 45 miles East of Des Moines, Iowa. For additional information on the city of Grinnell, please visit the Grinnell Chamber Area website

Our department is currently comprised of 14 sworn officers and two civilian staff, who provide a vast array of services and programs to the Grinnell community. Our officers are well-trained and experienced in protecting citizens and property, preventing crime, enforcing laws, and maintaining order. 

Mission Statement

The mission of the Grinnell Police Department is to protect and serve the community of Grinnell, providing a peaceful and safe existence, free from fear and with democratic values applied equally to all.


In addition to the daily dynamic duties and responsibilities of a Grinnell police officer,  other opportunities and specialty areas available to members include: 

  • Bike Patrol
  • Criminal & Narcotics Investigations
  • Crime Prevention
  • Traffic Safety
  • Central Iowa Regional Tactical Team 
  • Subject Matter Instruction
  • Supervisory Positions
  • Frequent Training Opportunities


Officer Benefits

  • Work Schedule - Patrol Officers work a 12 hour tour of duty (6a-6p or 6p-6a), working 7 days every two weeks with every other weekend off.
  • Wages:
  •   July 1, 2019 July 1, 2020
    1st Year $25.95 $26.60
    After 1 Year $26.42 $27.08
    After 2 Years $26.89 $27.56
    After 3 Years $27.36 $28.05
    After 4 Years $27.84 $28.53
    After 5 Years $28.35 $29.06
    After 6 Years $29.43 $30.17


    • Lateral Entry Program: Certified officers hired receive half credit for each full year of service as a certified police officer employed with a public safety department.
  • Members also receive a competitive health benefit, personal leave and retirement (Municipal Fire and Police Retirement System) package, with the city of Grinnell making significant contributions toward the total personal benefits package.  
  • Patrol officers and investigators are represented by the Chauffers, Teamsters and Helpers Local Union #238.

Additional Information

If you are interested in a rewarding and exciting career in law enforcement please contact the Grinnell Police Department by calling (641) 236-2670.

About Chief Reilly

Chief Dennis Reilly began his law enforcement career with the Morris Township (N.J.) Police Department in 1987. During his career in Morris Township he was promoted to the rank of Sergeant in 1995, Lieutenant in 2000, and Captain in 2007. In January, 2011, he was appointed Chief of Police for Morris Township, where he remained until his appointment as Chief of Police for Grinnell on June 4, 2012. During his career, Chief Reilly has instructed in a number of law enforcement areas, including constitutional law, firearms, first aid, and RADAR operation. He has also served as a Field Training Officer and Officer in Charge of Detectives.

Chief Reilly holds a B.A. in Management Sciences from St. Bonaventure University and an M.A. in Education from Seton Hall University. He is a graduate of the 241st Session of the F.B.I. National Academy, as well as a graduate from, and lead instructor for, the New Jersey State Association of Chiefs of Police Command and Leadership Academy.

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