SD · Updated April 22, 2026
South Dakota Gas Prices
Current retail average for regular gasoline in South Dakota, with daily history tracked against the US national average.
Current Price
$3.66
per gallon
30-Day Change
—
1-Year Change
—
vs National
$-0.35
Nat'l $4.01
South Dakota Price History
State average vs national average
South Dakota
National Average
Related Tool
What does South Dakota gas cost your commute?
Plug your miles and wage into DriveTax to see how much South Dakota's $3.66/gal drains your paycheck each year.