Where in the US is gas most expensive?
In the week of September 21, 2026, regular gas cost $5.60 a gallon on the West Coast, $1.63 more than on the Gulf Coast ($3.97), where most US refineries are. The regions are EIA's five fuel-supply districts, and the chart shows its latest weekly survey, taxes included.
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Chartly. “Where in the US is gas most expensive?” Chart. Data: U.S. Energy Information Administration, Gasoline and Diesel Fuel Update, https://www.eia.gov/petroleum/gasdiesel/ (data as of October 5, 2026). https://chart.ly/charts/gas-prices-by-region (accessed October 9, 2026).
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| Region | Dollars per gallon, regular gasoline |
|---|---|
| U.S. average | 4.354 |
| East Coast | 4.147 |
| Midwest | 4.109 |
| Gulf Coast | 3.911 |
| Rocky Mountain | 4.417 |
| West Coast | 5.727 |
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