It happened Monday night at 10:47 p.m., police said the suspect walked in and threaten the clerk.
"The suspect told the clerk he had a gun but never showed it," said Ronald J. Sharkey, Sr., Chief.
The suspect is described as about 5' 8 to 6'' feet tall, white male and on the heavier side. Police said he took off on food before fleeing in a light brown mini van.
Police said the suspect made off with an undisclosed amount of cash. Anyone with information on the case is asked to call police 1-800-281-1680.