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State profile · Indiana

Why is gas expensive in Indiana?

Indiana's gasoline averages $3.43 a gallon, $0.05 above the U.S. average of $3.38. About 54 cents per gallon comes from state taxes. The rest is crude oil, which is roughly half the pump price nationwide, plus the cost of refining and delivering fuel to Indiana stations.

#14 of 50Republican control+$0.05 vs U.S.
Average price · Jan–May 2026 $3.43/gal AAA regular-grade retail
National rank #14 of 50 states
vs national average +$0.05 1% above U.S. avg
5-year change +$0.80 since Jan–May 2021

What you're paying for

dollars per gallon, estimated June 2026
Base costs$2.88
Crude oil cost$1.74
Refining$0.48
Distribution & marketing$0.48
Federal excise tax$0.18
Indiana policy adds$0.55
State excise + sales tax$0.55
The takeaway

Indiana pays about $0.05 more per gallon than the U.S. average. State taxes and regional supply costs account for most of the gap.

Policy environment
State + local gas tax (total)54.5 ¢/gal
Carbon program on motor fuelNo
State-specific fuel blendNo
Political control
Today: Unified Republican
Governor + House + Senate, all R
Years D, 2001–2025: 0 of 25
Years R, 2001–2025: 17 of 25
Years split: 8 of 25
Red: unified R · Gray: split
How Indiana compares

Against its neighbors

Amber line marks the U.S. average of $3.38.

#8   Illinois
$3.59
#9   Michigan
$3.53
#14   Indiana
$3.43
#18   Ohio
$3.39
#34   Wisconsin
$3.13
Ten-year history

Price over time

Indiana  U.S. average

$1.95$2.65$3.35$4.05201720192021202320252026
Common questions

Indiana, explained

Why does gas cost about $3.43 a gallon in Indiana?

Using the U.S. Energy Information Administration's national price breakdown, Indiana's pump price is roughly $1.74 for crude oil, $0.48 for refining, $0.48 for distribution and marketing, the 18.4-cent federal excise tax, and about 54 cents in state taxes. That puts it $0.05 above the national average of $3.38.

How much of Indiana's gas price is taxes?+

Indiana charges about 54 cents per gallon in state gasoline taxes, on top of the 18.4-cent federal tax. Combined, taxes make up roughly 21% of the $3.43 pump price.

Does Indiana have a carbon program or special gasoline blend?+

No. Unlike California and Washington, Indiana does not put a carbon price on motor fuel or require a state-specific gasoline blend, so neither adds to its pump price.

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