The crash occurred shortly before 4 p.m. on Bush Lane in the densely populated Ramapo village. The youngsters, said to be girls ranging in age from 7 to 9, were on the sidewalk.
Three children were taken by ambulance to Westchester Medical Center in Valhalla and two others were taken to Nyack Hospital, according to Ramapo police.
Ramapo Town Supervisor Christopher St. Lawrence said each victim was believed to be in stable condition, and praised the emergency responders from Hatzolah and Spring Hill ambulance units, the Hillcrest Fire and Ramapo Police departments for their quick action.
Authorities expect to release additional information regarding the incident at 7:30 p.m. this evening during a press conference at Ramapo police headquarters, St. Lawrence said.
The van, a white vehicle labeled Five Star Home Medical Supply, also crashed into an electrical transformer and brought down wires.