The injured were taken to the Medical College of Georgia Hospital, said Gold Cross EMS Maj. Gene Peebles.
He said the injuries did not appear to be life-threatening.
Emergency vehicles were sent to Augusta Mall about 9 p.m.
A police dispatcher said someone reported a car had struck several people in the parking lot near the mall's food court entrance.
A Richmond County sheriff's deputy at the scene said a man was arrested in the incident.
The man was still being questioned late Friday night by authorities and charges were not immediately available.