How gas prices have changed in Rapid City in the last week
Written by:
April 20, 2026
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How gas prices have changed in Rapid City in the last week
compiled statistics on gas prices in Rapid City, SD metro area using data from . Gas prices are current as of April 20.
Rapid City by the numbers
- Gas current price: $3.79
--- South Dakota average: $3.66
- Week change: -$0.03 (-0.9%)
- Year change: +$0.47 (+14.1%)
- Historical expensive gas price: $4.89 (6/30/22)
- Diesel current price: $4.98
- Week change: -$0.03 (-0.7%)
- Year change: +$1.55 (+45.1%)
- Historical expensive diesel price: $5.58 (7/4/22)
Metros with the least expensive gas
#1. Lawton, OK: $3.25
#2. Springfield, MO: $3.30
#3. Joplin, MO: $3.31
Read on to see which metros have the most expensive gas prices.
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1 / 5
Rangsarit Chaiyakun // Shutterstock
#5. San Luis Obispo-Atascadero-Paso Robles, CA
- Regular gas price: $5.97
2 / 5
Christian Mueller // Shutterstock
#4. Napa, CA
- Regular gas price: $5.97
3 / 5
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#3. San Rafael, CA
- Regular gas price: $5.97
4 / 5
jittawit21 // Shutterstock
#2. Salinas, CA
- Regular gas price: $5.98
5 / 5
Elen Nika // Shutterstock
#1. Santa Rosa, CA
- Regular gas price: $5.99
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