The woman's boyfriend contacted city police reporting that he found her unresponsive in a bathroom of her Poplar Avenue home on Thursday.
Efforts to revive her were unsuccessful.
Detectives from the county prosecutor's Major Crime Unit investigated and determined that no foul play was involved, Assistant Prosecutor Elizabeth Rebein confirmed.
The Bergen County Sheriff's Bureau of Criminal Identification gathered evidence. The Bergen County Medical Examiner's Office collected the body.
Click here to follow Daily Voice Highland Lakes-Vernon and receive free news updates.