Nampa, ID
8 stations
LiveUpdated Jun 6
Gas prices near 83686
Nampa, ID · ID average $4.59/gal
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Finding cheap gas in Nampa (83686)
South Nampa is the residential and academic side of the city, home to Northwest Nazarene University and the neighborhoods that spread out toward Lake Lowell and the farmland beyond. It sits away from the interstate, so the fuel here is everyday neighborhood pricing rather than the highway-positioned stations on the east side of town.
The main commercial pull on this side runs along 12th Avenue and the Midland Boulevard area, where the steadier local stations compete for resident traffic. Because there is no I-84 ramp pricing pressure in the immediate area, the pumps here tend to track the ordinary Treasure Valley market without the surcharge you sometimes feel right at an interchange.
If you are running errands around the university or out toward Lake Lowell, the higher-volume stations along the busier avenues are your best bet. For drivers about to head east toward Boise, it is often cheaper to fill in this part of town than to wait for the stations clustered around the Garrity interchange.
Today’s lowest gas prices in 83686
- 1. Walmart at 155 S Middleton Rd offers regular at $4.31/gal (4.1 mi away).
- 2. Walmart at 2100 12th Ave Rd offers regular at $4.35/gal (1.0 mi away).
- 3. Maverik at 723 N. 12th Ave offers regular at $4.39/gal (1.8 mi away).
- 4. Sinclair at 224 Holly St offers regular at $4.40/gal (1.9 mi away).
- 5. Sinclair at 524 12th Ave Rd offers regular at $4.40/gal (1.9 mi away).
Prices are aggregated from station-level data and refreshed daily.
Nearby ZIP codes in Nampa, ID
How to save more on gas in Nampa
1. Use warehouse clubs
Costco and Sam’s Club typically price 15-25 cents per gallon below nearby stations. Membership pays for itself within a few fill-ups.
2. Fill up early in the week
Stations often raise prices Thursday for weekend demand. Fill up Monday through Wednesday to avoid the lift.
3. Keep tires properly inflated
Properly inflated tires improve fuel economy by up to 3 percent at current prices. Check pressure once a month.
4. Check back tomorrow
Prices can shift 10-20 cents overnight during volatile markets. A quick check before you leave home avoids paying yesterday’s spike.
5. Pay cash at split-pricing stations
Stations with cash and credit split pricing typically save an average of 10 cents per gallon when you pay cash.
Related guides
Deep-dives on US gas-price topics relevant to this area.
Brand
Sam's Club gas prices
Member-only fuel pricing at Sam's Club warehouse-club locations.
Research
Why gas prices vary by station
The microeconomics of why same-brand stations across the street price 30 cents apart.
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Why gas prices rise faster than they fall
Asymmetric pass-through in US retail gasoline (rockets and feathers).
Directory
US gas station brands directory
Reference for 39 major US gas station chains.
About gas prices in Idaho
Idaho is part of PADD 4 (Rocky Mountain) and pulls fuel from refineries in Salt Lake City and Billings, with prices that closely track Wyoming and Montana rather than the West Coast. The state gas tax is around 32 cents per gallon. Boise sees the lowest pricing in the state, with Costco, Sam's Club, Stinker Stores, and Maverik competing aggressively. North Idaho (Coeur d'Alene, Sandpoint) typically prices closer to Spokane Washington pricing due to shared distribution networks. Eastern Idaho near the Wyoming and Utah borders sometimes runs 5 to 15 cents below the Treasure Valley because of refinery proximity and lower local taxes.