The DuPage County State's Attorney's Office has 82 Assistant State's Attorneys, 18 Criminal Investigators, 70 full-time supporting employees and 10 law clerks/interns. The office is organized into 3 bureaus: criminal, civil and administrative.

The Criminal Bureau supervises the felony trial, special prosecution, child protection, misdemeanor and traffic and criminal investigation divisions. The Civil Bureau consists of the governmental representation, Labor and Tort Defense, Land Use and Civil Prosecutions, Child Support Enforcement and Appeals units, as well as a Community Affairs Division. Lastly, the Administration Bureau deals with finances, grants, personnel, administrative support, information systems, security and restitution.