Propane Prices in Iowa (Week of Oct 19, 2026)
Residential propane in Iowa averaged $1.70 a gallon for the week of Oct 19, 2026 (+4.3% in two weeks) – 37% below the US average and the 2nd lowest of 38 states EIA surveys.
Source: EIA Heating Oil and Propane Update (weekly, excluding taxes). Updated automatically each week from October to March.
Cost to fill a tank in Iowa
| Delivery | Gallons | Cost at $1.70/gal |
|---|---|---|
| 20 lb grill cylinder (≈4.7 gal) | 4.7 | $8.01 |
| 100 lb cylinder (≈23.6 gal) | 23.6 | $40.21 |
| 500-gallon tank, 20% → 80% | 300 | $511.20 |
| 1,000-gallon tank, 20% → 80% | 600 | $1,022.40 |
Before sales tax, delivery minimums or small-delivery fees, which vary by dealer.
Cheapest way to heat in Iowa right now
| Heating system | Cost per million BTU of heat |
|---|---|
| Natural gas furnace (95%) | $10.77 |
| Heat pump (HSPF2 9, COP ≈2.6) | $18.02 |
| Propane furnace (90%) | $20.70 |
| Electric baseboard (COP 1) | $46.86 |
| Heating oil furnace (85%) | $49.41 |
Using Iowa's current averages for propane, heating oil, natural gas and electricity (15.99¢/kWh). Prices for natural gas in Iowa and electricity in Iowa. See also heating oil prices in Iowa.
Nearby states
- North Dakota: $1.65/gal
- Nebraska: $1.78/gal
- South Dakota: $1.87/gal
- Minnesota: $2.01/gal
- Kansas: $2.07/gal
- Missouri: $2.18/gal
Frequently asked questions
What is the price of propane in Iowa this week?
$1.70 per gallon on average for homes in the week of Oct 19, 2026, before taxes (EIA survey). That is 37% below the US average of $2.69, and +4.3% since Oct 5, 2026.
How much does it cost to heat with propane in Iowa?
At $1.70 a gallon, 500 gallons over a winter costs about $852 before tax. Actual use depends on the house, insulation and winter – check your past deliveries and enter them in the calculator.
Is propane cheaper than other heat in Iowa?
Per million BTU of heat, propane costs about $20.70 in Iowa this week. The cheapest option at current state averages is natural gas furnace (95%) at $10.77.
Source: EIA weekly residential propane prices. Heat comparison uses typical efficiencies and EIA state averages.