Gas Prices in Nampa, ID
Updated May 21, 2026 · AAA data · Regular unleaded
Gas Prices in Nampa
Gas prices in Nampa reflect a mix of local taxes, distance to fuel distribution terminals, station density, and real estate costs. Nampa benefits from lower operating costs, typically running 2¢ below the Idaho state average.
Prices at individual stations can vary by 5–15 cents within the same city depending on brand, location, and local competition. Use apps like GasBuddy to find the cheapest station near you in Nampa.
Frequently Asked Questions
What is the gas price in Nampa right now?
The average regular unleaded price in Nampa, Idaho is $4.680/gal as of May 21, 2026. Station prices vary — expect a range of roughly $4.580 to $4.800 across the metro area.
Is gas cheaper in Nampa or the suburbs?
Generally, suburban areas outside Nampa have slightly lower gas prices due to lower operating costs and property taxes. If you're near a highway interchange or warehouse district, you may find lower prices than the city center.
When is the cheapest day to buy gas in Nampa?
Nationwide data shows Monday and Tuesday tend to have slightly lower gas prices before weekly demand picks up. Avoid buying gas Thursday through Saturday when prices are typically higher.