The main duty of the County Attorney is to represent the state in misdemeanor cases. The County Attorney works with law enforcement officers in the investigation and preparation of cases to be heard before the criminal courts. When requested in writing, the County Attorney also provides legal counsel to county entities.

Other duties include: prosecution of juvenile offenders, representation of victims of violence in protective orders, assisting the Texas Department of Family and Protective Services in placement reviews, prosecution in the Justice of the Peace Courts, bond forfeitures, and special prosecutor assistance to the District Attorney's office as needed.