Today’s AAA National Average $3.178

Price as of 5/18/25

Today's AAA South Dakota Avg. $3.018

Price as of 5/18/25

Today’s AAA
National Average

$3.178

Price as of
5/18/25

Today's AAA
South Dakota Avg.

$3.018

Price as of
5/18/25
County Retail Prices
3.519 to 3.254
3.253 to 3.043
3.042 to 2.983
2.982 to 2.909
2.908 to 2.778
No Data Available

County average gas prices are updated daily to reflect changes in price. For metro averages, click here.

South Dakota average gas prices

Regular Mid-Grade Premium Diesel
Current Avg. $3.018 $3.200 $3.692 $3.239
Yesterday Avg. $3.021 $3.211 $3.693 $3.230
Week Ago Avg. $3.023 $3.215 $3.711 $3.239
Month Ago Avg. $3.073 $3.264 $3.692 $3.258
Year Ago Avg. $3.302 $3.443 $3.876 $3.547

highest recorded average price

Price Date
Regular Unleaded $4.796 6/16/22
Diesel $5.406 6/30/22

South Dakota metro average prices

Rapid City

Regular Mid Premium Diesel
Current Avg. $3.234 $3.370 $3.847 $3.374
Yesterday Avg. $3.243 $3.384 $3.849 $3.373
Week Ago Avg. $3.292 $3.405 $3.904 $3.369
Month Ago Avg. $3.341 $3.467 $3.949 $3.438
Year Ago Avg. $3.288 $3.363 $3.841 $3.764

highest recorded average price

Price Date
Regular Unleaded $4.892 6/30/22
Diesel $5.578 7/4/22

Sioux Falls

Regular Mid Premium Diesel
Current Avg. $2.807 $3.191 $3.681 $3.127
Yesterday Avg. $2.816 $3.194 $3.699 $3.110
Week Ago Avg. $2.814 $3.216 $3.699 $3.143
Month Ago Avg. $2.878 $3.281 $3.725 $3.071
Year Ago Avg. $3.158 $3.521 $3.964 $3.346

highest recorded average price

Price Date
Regular Unleaded $4.698 6/17/22
Diesel $5.425 5/9/22

North Sioux City

Regular Mid Premium Diesel
Current Avg. $2.909 $2.961 $3.692 $3.176
Yesterday Avg. $2.962 $2.966 $3.678 $3.133
Week Ago Avg. $3.010 $3.039 $3.595 $3.105
Month Ago Avg. $2.926 $2.879 $3.660 $3.145
Year Ago Avg. $3.258 $3.338 $4.033 $3.350

highest recorded average price

Price Date
Regular Unleaded $4.821 6/14/22
Diesel $5.365 5/5/22

State Gas Prices

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