Average gas prices in Iowa are a nickel higher than the statewide price a week ago. Triple A says iowans are paying $2.32 for a gallon of regular. Davenport is the only metro area where the price for regular is under $2.30. Drivers there are paying $2.22. The price at the pump is $2.31 a gallon in Cedar Rapids and Sioux City, while Des Moines continues to post the highest in the state at $2.38.