Costco Kentucky Gas Prices

Costco operates 4 fuel centers in Kentucky across 3 cities, with the largest cluster in Louisville (2 stations). Across the state, regular gas averages $3.522, premium runs about $1.010 higher at $4.531, and diesel sits at $4.999. The lowest-priced regular pump is at Costco Florence in Florence at $3.459, while NE Louisville in Louisville sits about $0.140 higher. Across the state, regular pump prices have climbed about $0.060 over the past month, from $3.462 a month ago. Premium has climbed about $0.072 and diesel has climbed about $0.840 over the same period. Diesel is sold at 1 of the 4 Kentucky locations.

If your vehicle takes premium, the lowest in Kentucky is Costco Lexington in Lexington at $4.499. The cheapest diesel is at Costco Florence in Florence at $4.999. Pump prices shift from one warehouse to the next with local taxes, fuel-blend rules, and transport costs, but Costco fuel is members-only and usually runs below nearby branded stations — which is what keeps these pumps busy.