Gas Price by State Reference

Typical gas prices across all 50 states — why they differ, and your trip's fuel delta

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Monthly Difference
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State A
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State B
StateTypical $/galvs national

The two-dollar spread between Mississippi and California gas is one of the most visible price gaps in American life, and it decomposes cleanly: state taxes (a $0.70/gal range by itself), fuel formulations (California's unique CARB blend adds cost and fences its market off from imports), refinery geography (the Gulf Coast makes the stuff; prices radiate outward), and local operating costs. This reference ranks all 50 states at typical levels, compares any two, and turns the gap into your actual monthly dollars.

The Anatomy of a Gallon

ComponentShare (typical $3.15 gallon)
Crude oil~50% — the global part every state shares
Refining~15% — spikes regionally when refineries hiccup
Distribution & retail~15% — stations earn cents/gal (the snacks are the business)
Taxes~20% — federal 18.4¢ everywhere + state 9¢ (AK) to ~78¢ (CA)

Why the Rankings Barely Move

Daily prices swing with crude; the ranking is structural. The Gulf states (TX, LA, MS, OK) sit on the refining complex and tax lightly — they're perennially cheapest. The West Coast taxes heavily, mandates special blends, and imports refined product across mountains — CA/WA/OR/NV/HI hold the top five almost permanently. The seasonal rhythm rides on top: summer blends and driving demand add 20–50¢ nationally from spring to Labor Day, fading by November.

Using the Gap

  • Border arbitrage: real at state lines with big tax deltas — filling in Missouri vs Illinois, or before entering California, saves $5–12 a tank; driving 20 minutes out of your way to chase it rarely pens out (the Fuel Cost tool settles it).
  • Trip budgeting: route through the table — a TX→CA drive fuels progressively worse; budget on the destination's price, not home's.
  • Relocation math: the CA-vs-TX gas line is ~$1,200/year for a 15k-mile driver — meaningful, and still small next to housing (see the COL Comparator).

How to Use the Reference

  1. Pick two states and your monthly gallons; read the monthly/annual delta.
  2. Scan the ranked table — your picks are highlighted.
  3. For today's exact pump price, check AAA's daily tracker; this page is the stable ranking underneath it.

Frequently Asked Questions

Why is California gas so much more expensive?

Four stacked reasons: the nation's highest gas taxes (~78¢/gal state-level all-in), the unique CARB clean-air blend no out-of-state refinery casually supplies, an isolated refining market with no pipelines over the Rockies, and cap-and-trade carbon costs. Each is policy or geography — none of it changes with crude prices.

Are these today's prices?

No — they're typical mid-2026 price LEVELS for ranking and planning. Daily numbers move with crude, season and local events; AAA and GasBuddy publish live trackers. The state-to-state ORDER, which is what this tool is for, barely changes year to year.

Is premium worth it?

Only if your engine requires it (check the manual — 'recommended' means optional, 'required' means required). In a regular-fuel engine, premium buys nothing: same detergents, no cleaning benefit, no mileage gain. The 60-90¢ spread is the most reliably wasted money at the pump.

Does gas quality differ between cheap and brand stations?

All US gas meets the same EPA base standards and often flows from the same terminals; 'Top Tier' brands add detergent packages above the minimum (worth something for direct-injection engines). Costco/warehouse gas is Top Tier certified and cheap — the sweet spot.

When in the week/year is gas cheapest?

Weekly: Monday-Tuesday tend cheapest, Friday priciest (demand pricing). Annually: late fall through winter (cheap winter blend + low demand), peaking Memorial Day-July. The bigger lever is the station spread WITHIN your town — the 30-50¢ range on one commute is the real arbitrage.

Do electric vehicles escape all this?

The fuel line, yes — at ~3.5 mi/kWh and 15¢/kWh, the 'per-gallon equivalent' runs ~$1.30. But EV drivers pay state EV registration surcharges ($50-250/yr in most states) built to recapture lost gas taxes, and road-usage-charge pilots are expanding. The gap is still decisively in the EV's favor on energy.

Is my information private?

Yes — the table is embedded and all math runs locally in your browser.

The ranking is geography and tax policy; the daily price is noise on top. Know your state's structural seat in the table, fill on the cheap side of borders when the route already crosses them, and spend the premium-grade money on literally anything else.

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