Latest residential propane price in Idaho
According to the EIA Weekly Heating Oil and Propane Survey, the latest residential propane price in Idaho is $2.397 per gallon for the week of March 30, 2026. The figures below put that number in context against the national average and other surveyed states.
$2.397
Idaho average
Week of March 30, 2026
$2.674
US national average
Same week, EIA WHOPS
▼ -10.4%
vs. national
Below the US average
#16 of 38
Cheapest-state ranking
1 = cheapest of all surveyed states
Source: EIA Weekly Heating Oil and Propane Survey, residential retail (USD per gallon). The EIA does not survey every state individually each week — see current US propane prices for the full state ranking and 3-year history.
Propane usage and context in Idaho
Idaho's cold winters and Mountain West cold-climate character shape the role propane plays in the state. Propane is concentrated in rural homes, manufactured housing and mountain communities outside Intermountain Gas's distribution territory, with much lower household penetration inside the Boise, Idaho Falls, Pocatello and Coeur d'Alene metros where natural-gas distribution is dense.
Supply economics in Idaho are shaped by being from Wyoming and Montana fractionation via rail and regional terminals. Retail propane in Idaho typically tracks the upper-middle band of the national price range published by the EIA Weekly Heating Oil and Propane Survey during the October–March heating season.
For a current, household-specific picture, request itemised quotes from several Idaho propane companies and compare per-gallon prices alongside tank rent, delivery fees and contract terms.
Propane companies with outlets in Idaho (ID)
All three major national propane companies operate in Idaho: AmeriGas, Suburban Propane and Ferrellgas. Regional and specialty operators serving the state include Energy West and Pacific Pride (serve the rural Panhandle and eastern Idaho). Beyond these, local independents and farmer cooperatives serve the long tail of rural addresses — often beating the nationals on price for high-volume customers.
Build a shortlist of three to four dealers serving your address — one national, one regional, one local — and compare itemised quotes. See how to select a propane company and getting quotes.
The Idaho propane industry and regulations
The Idaho Propane Gas Association represents propane marketers operating in Idaho, coordinates training under the NPGA / PERC Certified Employee Training Program, and advocates on state regulatory matters.
State-level LP gas oversight in Idaho sits with the Idaho State Fire Marshal in the Department of Insurance, which licenses dealers, inspects installations, and enforces NFPA 58 as adopted in Idaho Administrative Procedure Act adopting NFPA 58. Federal DOT and OSHA rules layer on top of state requirements. For run-out and emergency procedures see what to do if you smell gas and running out of propane.
Frequently asked questions
Who has the cheapest propane in Idaho?
There is no single cheapest dealer — pricing is set account-by-account based on tank size, fill volume, contract type and route density. Get itemised quotes from at least three dealers (one national, one regional, one local independent) and compare on all-in annual cost rather than headline gallon rate.
What is the current propane price in Idaho?
Heading into the heating season, the EIA Weekly Heating Oil and Propane Survey publishes regional and state-where-available averages every Monday from October through March. Idaho typically prices in the upper-middle band of the national range. See current US propane prices.
Does Idaho have an anti-fill law?
Anti-fill statutes (which constrain dealer lock-in via mandatory disclosure, capped pickup fees, or right to purchase a leased tank) exist in roughly 10-15 US states. Check with the Idaho State Fire Marshal in the Department of Insurance or the state attorney general consumer protection division for the current rules in Idaho.