Up to 12 people are still believed missing after a wall of mud and debris crashed down on the small town of Oso in the forests of Washington state on March 22.
Of the 34 bodies recovered, 30 have been identified, according to the Snohomish County Medical Examiner's Office.
The dead include a four-month-old baby girl, as well as a a five-year-old girl, a six-year-old boy and a 13-year-old boy, it said.
Dozens of dwellings in the rural town 95 kilometers from Seattle were wiped out in the landslide, which also destroyed part of a highway.
The county sheriff's office said yesterday that 12 people remain missing. There was no immediate update on the missing today.
The White House spokesman added: "Our thoughts and prayers go out to everyone who lost a loved one. The administration remains focused on supporting state and local efforts and first responders.