The St. Louis County Police Department is comprised of more than 850 commissioned officers and just over 250 professional sta ... ff members. With Specialized divisions, crime labs and numerous municipal services offered throughout St. Louis County, our department is the largest in the region serving one million residents directly and indirectly. We have dedicated staff handle everything from records request to major criminal investigations. Honored with the Tri-Arc CALEA accreditation, our vision is to provide quality policing to every citizen of St. Louis County we come in contact with and perform our duties with dignity and service to our fellow man. read more