South Dakota propane prices
What South Dakota (SD) homes pay per gallon for propane: the average residential price from EIA's weekly survey of propane dealers, updated every Wednesday from October to March.
Updated · EIA data
- vs. Midwest
- 29¢ lower
- Past 4 weeks
- not published
Source: U.S. Energy Information Administration, State Heating Oil and Propane Program, published Wednesdays, October to March. About the survey
South Dakota propane price chart
EIA weekly averages, residential propane, dollars per gallon.
South Dakota propane prices by week, 2026–27 season
This week's $1.87 a gallon in South Dakota is 13% above the $1.65 of the week of October 20, 2025, a year earlier.
| Week of | South Dakota | Midwest |
|---|---|---|
| Oct 19, 2026 | $1.87 | $2.16 |
| Oct 12, 2026 | $1.82 | $2.11 |
| Oct 5, 2026 | $1.72 | $2.06 |
EIA weekly averages for South Dakota and the Midwest region, residential propane, dollars per gallon.
South Dakota propane prices by season
The lowest and highest weekly price in each heating season (October to March), and the season's last week.
| Season | Low | High | Last week |
|---|---|---|---|
| 2026–27 (so far) | $1.72 | $1.87 | $1.87 |
| 2025–26 | $1.64 | $1.86 | $1.84 |
| 2024–25 | $1.72 | $2.01 | $2.00 |
| 2023–24 | $1.70 | $1.88 | $1.82 |
| 2022–23 | $2.05 | $2.15 | $2.15 |
| 2021–22 | $2.09 | $2.41 | $2.39 |
| 2020–21 | $1.23 | $2.11 | $1.79 |
EIA weekly averages for South Dakota, residential propane, dollars per gallon, October to March surveys.
What a delivery costs
- 100 gallons$187
- 250 gallons$468
- 500 gallons$935
BillAverage estimate based on EIA data, at the latest EIA weekly average for South Dakota. Dealers' prices vary.
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Questions
- What is the price of propane in South Dakota?
- $1.87 a gallon, EIA's weekly average residential price for South Dakota in the week of October 19, 2026.
- Is propane cheaper in South Dakota than the Midwest average?
- Yes. South Dakota's $1.87 a gallon was 29¢ below EIA's Midwest average of $2.16 that week.
- How have SD propane prices changed this season?
- So far in the 2026–27 season, SD propane prices have ranged from a low of $1.72 a gallon (week of October 5, 2026) to a high of $1.87 (week of October 19, 2026), per EIA's weekly survey, and stand at $1.87 this week. That's 13% above the $1.65 of a year earlier (week of October 20, 2025).
- How much does a propane delivery cost in South Dakota?
- At $1.87 a gallon, 100 gallons cost about $187, 250 gallons about $468 and 500 gallons about $935. That's our estimate at EIA's weekly average; dealers' prices vary.
- How often are propane prices updated?
- EIA surveys propane dealers every Monday from October through March and publishes the averages on Wednesday. We update this page when EIA publishes.