Gas prices are up across the country, but nowhere are they up as much as in northern Kentucky’s Kenton County, where an average gallon of gas will run you $4.92 a gallon, nearly double the price it was at the start of the Iran war . How much gas prices have increased depends entirely on where you live, an NBC News analysis of average gas price data from AAA shows. Kenton County prices were up $2.32 a gallon, while Fisher County in Texas, population 3,692, prices have only increased 60 cents as