The current average for a gallon of gasoline in Mercer County is $3.31. The state average is $3.22 with the national average at $3.09, according to information from AAA.
Statewide, the week ago average was $3.36, a month ago $3.93 and a year ago $3.39.
Nationally, the week ago average was $3.17, a month ago $3.60 and a year ago $3.29.
