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Gas Prices in Brookings, SD

Updated May 20, 2026 · AAA data · Regular unleaded

Brookings Avg · Regular
$4.320
per gallon
South Dakota State Avg
$4.339
Brookings is 2¢ below state avg

Gas Prices in Brookings

Gas prices in Brookings reflect a mix of local taxes, distance to fuel distribution terminals, station density, and real estate costs. Brookings benefits from lower operating costs, typically running 2¢ below the South Dakota state average.

Prices at individual stations can vary by 5–15 cents within the same city depending on brand, location, and local competition. Use apps like GasBuddy to find the cheapest station near you in Brookings.

Common Gas Stations in Brookings
HolidayCenexCasey'sShellExxon
Estimated Monthly Gas Cost — Brookings Commuter
$99/mo
Based on 13 mi/day avg commute × 2 × 22 workdays ÷ 25 mpg × $4.320/gal

Frequently Asked Questions

What is the gas price in Brookings right now?

The average regular unleaded price in Brookings, South Dakota is $4.320/gal as of May 20, 2026. Station prices vary — expect a range of roughly $4.220 to $4.440 across the metro area.

Is gas cheaper in Brookings or the suburbs?

Generally, suburban areas outside Brookings have slightly lower gas prices due to lower operating costs and property taxes. If you're near a highway interchange or warehouse district, you may find lower prices than the city center.

When is the cheapest day to buy gas in Brookings?

Nationwide data shows Monday and Tuesday tend to have slightly lower gas prices before weekly demand picks up. Avoid buying gas Thursday through Saturday when prices are typically higher.

Gas Prices in Nearby South Dakota Cities

Sioux Falls
$4.340
per gallon
Rapid City
$4.330
per gallon
Aberdeen
$4.310
per gallon
Watertown
$4.310
per gallon
South Dakota Statewide Average
See all cities and the full state breakdown
View SD Prices →
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