How gas prices have changed in Boulder in the last week

Written by:
July 18, 2025
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How gas prices have changed in Boulder in the last week

Stacker compiled statistics on gas prices in Boulder-Longmont, CO metro area using data from AAA. Gas prices are current as of July 18.

Boulder by the numbers
- Gas current price: $3.11
--- Colorado average: $3.02
- Week change: +$0.00 (+0.1%)
- Year change: -$0.27 (-7.9%)
- Historical expensive gas price: $4.92 (6/23/22)

- Diesel current price: $3.50
- Week change: +$0.05 (+1.4%)
- Year change: -$0.08 (-2.1%)
- Historical expensive diesel price: $5.50 (6/22/22)

Metros with the least expensive gas
#1. McAllen-Edinburg-Mission, TX: $2.60
#2. Laredo, TX: $2.63
#3. Brownsville-Harlingen, TX: $2.63

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

1 / 5
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#5. Salinas, CA

- Regular gas price: $4.74
2 / 5
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#4. Santa Rosa, CA

- Regular gas price: $4.74
3 / 5
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#3. Napa, CA

- Regular gas price: $4.80
4 / 5
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#2. San Luis Obispo-Atascadero-Paso Robles, CA

- Regular gas price: $4.89
5 / 5
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#1. Lihue (Kauai), HI

- Regular gas price: $5.03

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