The Nampa Fire Department says that they were called to the crash just before 10 p.m. in the 600 block of East Locust Lane.
Firefighters say the car caught fire after the crash and people were trapped inside.
Neighbors had removed one unconscious person by the time emergency crews arrived.
The three were transported to Saint Alphonsus in Nampa.
The Canyon County Sheriff's Office is investigating the crash.
More details will be released as they become available.