The Plymouth County Sheriff's office responded to a report of an unresponsive woman at 26598 Lynx Avenue, Hinton at 7:59 a.m. Sunday.
Medical personnel indicated Debra J. Anderson, 53, was deceased and had been found by grandson who was staying with her, the sheriff's office press release stated.
The sheriff's office received information that Anderson had been in poor health.
The death investigation includes Plymouth County Medical Examiner Dr. Sheila Holcomb, of Le Mars.
The cause of death will be determined after a final report from the medical examiner, the sheriff's office reported.