The Storm Lake Iowa Police Department provides 24-hour law enforcement services to the City of Storm Lake. The department consists of 21 sworn police officers, 2 bilingual community service officers, and 2 civilian staff members. The department has a police chief, assistant chief, four lieutenants, thirteen patrol officers, and two detectives.

Police and Fire headquarters is located at 401 East Milwaukee Avenue in Storm Lake. The department’s patrol division currently has 17 officers. Each patrol shift is supervised by a Lieutenant. There is one K-9 officer that assists the department as well as surrounding agencies with narcotics detection, suspect apprehension, evidence, and subject searches, building searches, and crowd control.  The police department has an investigative division, administrative division, narcotics unit, hostage negotiators, drone pilots, clandestine drug lab team, search and recovery dive team, sexual assault response team (SART), bike patrol and a tactical entry team.

The Storm Lake Police Department has been recognized nationally for its community policing initiatives and outreach efforts serving diverse populations.