Barb Erdman
- Age: 53.
- Occupation: Sergeant in the Polk County Sheriff's Department.
- Experience: Erdman has been with the Polk County Sheriff's Office for 23 years. She was promoted to sergeant in 2001. She initially worked in the Polk County attorney's office as an interviewer in child-protection cases. Her position was eventually moved to the sheriff's department, where she worked as an investigator and also covered patrol shifts.
- Website: http://erdmanforsheriff.com.
