Castle Rock Gas Prices - Find the Lowest Gas Prices in Castle Rock, CO

Search for the lowest gasoline prices in Castle Rock, CO. Find local Castle Rock gas prices and Castle Rock gas stations with the best prices to fill up at the pump today

National and Colorado Gas Price Averages

National Avg.CO Reg. Avg.CO Plus Avg.CO Prem. Avg.CO Diesel Avg.
$3.145
05/09/2025
$3.142
05/09/2025
$3.540
05/09/2025
$3.852
05/09/2025
$3.386
05/09/2025

Today's lowest gas prices in Colorado and around Castle Rock

StationRegularPlusPremiumDiesel
QuikTrip
1721 E 120th Ave, Northglenn, CO
$2.56
05/09/2025
$2.86
05/09/2025
$3.16
05/09/2025
$2.82
05/09/2025
Exxon
2651 E 120th Ave, Thornton, CO
$2.56
05/09/2025
$3.17
05/09/2025
$3.47
05/09/2025
$2.85
05/09/2025

Find all gas prices in and around Castle Rock, CO.

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More info »

Todd Oliver’s Funniest Night in Town!

Saturday, May 10, 2025 at 7:30pm
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