Costco Gas Stations in Colorado

About Costco Gas in Colorado

Colorado has 17 Costco gas stations across 13 cities. The largest concentrations of stations are in Denver (3), Aurora (2), and Colorado Springs (2). Most stations open at 6 AM on weekdays and close at 10 PM. On Sundays, hours are typically 6 AM–7:30 PM. All Costco gas stations require an active membership. Payment is accepted by Visa, most debit cards, and Costco Shop Cards.

For context, the average retail price of regular gas in the Rocky Mountain (PADD 4) region was $4.29/gal (premium $4.95) the week of 2026-08-17. Costco fuel is typically priced below the local average. Source: U.S. EIA.