How gas prices have changed in South Dakota in the last week

Written by:
May 15, 2026
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How gas prices have changed in South Dakota in the last week

compiled statistics on gas prices in South Dakota using data from . Gas prices are as of May 15.

South Dakota by the numbers
- Gas current price: $4.33
- Week change: +$0.09 (+2.1%)
- Year change: +$1.31 (+43.3%)
- Historical expensive gas price: $4.80 (6/16/22)

- Diesel current price: $5.17
- Week change: -$0.04 (-0.9%)
- Year change: +$1.95 (+60.3%)
- Historical expensive diesel price: $5.41 (6/30/22)

Metros with most expensive gas in South Dakota
#1. Rapid City: $4.51
#2. Sioux Falls: $4.30
#3. North Sioux City: $4.24

States with the least expensive gas
#1. Texas: $4.00
#2. Mississippi: $4.00
#3. Louisiana: $4.01
#4. Georgia: $4.02
#5. Oklahoma: $4.02

Read on to see which states have the most expensive gas prices.

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#5. Alaska

- Regular gas price: $5.26
2 / 5
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#4. Oregon

- Regular gas price: $5.35
3 / 5
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#3. Hawaii

- Regular gas price: $5.65
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#2. Washington

- Regular gas price: $5.78
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#1. California

- Regular gas price: $6.14

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