It happened at 12:30 a.m. Monday at the Shell gas station on Route 73 North.
Police say two men walked into the gas station, pulled out handguns and demanded money from the clerk.
The men stole money from the cash register, the lottery machine and the clerk's pockets. They also took the clerk's cell phone and fled.
The clerk was not injured.
Police have released the following description of the suspects:
Suspect #1: black male, 6'3", heavy muscular build, dreadlocks and goatee, armed with a silver revolver
Suspect #2: black male, thin build, 5'10", wearing a ski mask and armed with a black handgun
Anyone with information on the suspects or the crime is asked to contact Maple Shade Police at 856-234-8300.