The Lenexa Police Department currently consists of 83 sworn and 42 civilian employees.

The Lenexa Police Department is organized into three main divisions: the Patrol Division, the Investigative Services Bureau and the Staff Services Division.

The primary function of the Patrol Division is to respond to calls for service and conduct pro-active community patrols. The Patrol Division consists of the Directed Patrol Unit, Traffic Safety Unit, Tactical Team, Crisis Negotiations Team, the School Resource Unit, Animal Control, Crime Prevention, Crime Resistance Community Policing and other related services. Officers are eligible to become members of the sub-units or undertake collateral assignments after meeting the prerequisite as a member of the patrol unit.

The primary function of the Investigative Services Bureau is to conduct criminal investigations. These investigations can be proactive as well as reactive. Investigative Services Bureau consists of General Assignment Detectives, Drug Enforcement, and High Tech Crimes Detectives. One detective is currently assigned to the FBI Regional Computer Forensic Laboratory. The unit is supported by a civilian Crime Analyst. Patrol officers are eligible to transfer to ISB as they meet the qualifications and positions become available. Competition is keen.

The primary function of the Staff Services Division is to provide and manage communications, information technology, and related technical responsibilities within the department. Staff Services Division consists of Public Service (Station) Officers, Information Technology, Communications Unit, Technical Support Unit, Police Training Unit and the volunteer section. Most positions in Staff Services are civilian.