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How Much Gas Prices Have Risen Since The Iran War
Using AAA price data from February 18, 2026, as a pre-war baseline and prices as of August 20, 2026, this visualization, via Visual Capitalist's Sofie Gilbert, maps the percentage increase across all 50 states and Washington, D.C.
Which States Saw the Biggest Gas Price Increases
Iowa has seen the largest percentage increase in the country, with gas prices jumping 69.1% from $2.45 to $4.14 per gallon. Oklahoma follows closely at 68.8%, while Colorado, Minnesota, and Wyoming have each seen increases of more than 60%.
Montana, New Mexico, North Dakota, South Dakota, and Kansas round out the top 10, each up more than 57%.
The table below shows the full breakdown of price changes by state, sorted from largest to smallest percentage change.
| Iowa | $2.45 | $4.14 | $1.69 | 69.1% |
| Oklahoma | $2.29 | $3.87 | $1.58 | 68.8% |
| Colorado | $2.76 | $4.48 | $1.72 | 62.2% |
| Minnesota | $2.57 | $4.16 | $1.59 | 61.8% |
| Wyoming | $2.70 | $4.37 | $1.67 | 61.8% |
| Montana | $2.75 | $4.39 | $1.64 | 59.7% |
| New Mexico | $2.61 | $4.14 | $1.53 | 58.5% |
| North Dakota | $2.54 | $4.01 | $1.47 | 57.7% |
| South Dakota | $2.59 | $4.08 | $1.49 | 57.7% |
| Kansas | $2.47 | $3.88 | $1.41 | 57.1% |
| Utah | $2.79 | $4.38 | $1.59 | 57.0% |
| Nebraska | $2.59 | $4.04 | $1.45 | 56.1% |
| Arkansas | $2.46 | $3.80 | $1.34 | 54.6% |
| Wisconsin | $2.55 | $3.94 | $1.39 | 54.4% |
| Missouri | $2.52 | $3.89 | $1.37 | 54.3% |
| Ohio | $2.70 | $4.12 | $1.42 | 52.6% |
| Idaho | $2.97 | $4.49 | $1.52 | 51.3% |
| Mississippi | $2.49 | $3.66 | $1.17 | 47.2% |
| Illinois | $2.99 | $4.40 | $1.41 | 47.1% |
| Louisiana | $2.51 | $3.69 | $1.18 | 47.0% |
| Michigan | $2.92 | $4.21 | $1.29 | 44.0% |
| Kentucky | $2.59 | $3.70 | $1.11 | 43.0% |
| Texas | $2.55 | $3.64 | $1.09 | 42.8% |
| Alabama | $2.63 | $3.74 | $1.11 | 42.2% |
| Tennessee | $2.58 | $3.66 | $1.08 | 41.9% |
| Connecticut | $2.90 | $4.10 | $1.20 | 41.5% |
| Arizona | $3.16 | $4.47 | $1.31 | 41.4% |
| Georgia | $2.71 | $3.82 | $1.11 | 41.1% |
| New Hampshire | $2.85 | $4.01 | $1.16 | 40.6% |
| Massachusetts | $2.90 | $4.04 | $1.14 | 39.4% |
| Rhode Island | $2.87 | $4.00 | $1.13 | 39.2% |
| Maine | $2.92 | $4.06 | $1.14 | 39.1% |
| New York | $3.00 | $4.15 | $1.15 | 38.3% |
| Alaska | $3.50 | $4.83 | $1.33 | 38.1% |
| South Carolina | $2.67 | $3.68 | $1.01 | 38.0% |
| Vermont | $3.00 | $4.14 | $1.14 | 37.9% |
| Virginia | $2.81 | $3.86 | $1.05 | 37.5% |
| District of Columbia | $3.09 | $4.21 | $1.12 | 36.1% |
| North Carolina | $2.77 | $3.77 | $1.00 | 36.1% |
| West Virginia | $2.85 | $3.87 | $1.02 | 35.9% |
| Florida | $2.91 | $3.95 | $1.04 | 35.6% |
| New Jersey | $2.94 | $3.99 | $1.05 | 35.6% |
| Maryland | $2.92 | $3.94 | $1.02 | 35.0% |
| Delaware | $2.87 | $3.87 | $1.00 | 34.8% |
| Pennsylvania | $3.11 | $4.14 | $1.03 | 33.0% |
| Nevada | $3.64 | $4.78 | $1.14 | 31.2% |
| Indiana | $2.75 | $3.56 | $0.81 | 29.6% |
| Oregon | $3.71 | $4.76 | $1.05 | 28.3% |
| Washington | $4.17 | $5.24 | $1.07 | 25.7% |
| Hawaii | $4.40 | $5.43 | $1.03 | 23.4% |
| California | $4.59 | $5.59 | $1.00 | 21.8% |