South Dakota Propane Price Per Gallon (Latest EIA: 30 March 2026)
As of the week ending 30 March 2026, the residential propane price in South Dakota was $1.840 per gallon (EIA series W_EPLLPA_PRS_SSD_DPG). The South Dakota price is below the US national average of $2.674 by $0.83 per gallon. Across the 2025-2026 heating season, the South Dakota residential figure moved from $1.638 to $1.840.
How South Dakota compares
| Comparison | Reference price | Difference |
|---|---|---|
| South Dakota vs US national average | $2.674 | $-0.83 (-31.2%) |
| South Dakota vs 5-year US average | $2.580 | $-0.74 |
| South Dakota season start (Oct 2025) | $1.638 | +$0.20 |
What drives the South Dakota price
South Dakota sits in PADD 2 (Midwest). As of the week ending 30 March 2026 its residential propane price was $1.840 per gallon, below the US national average of $2.674. South Dakota is part of the Midwest, the largest residential propane-consuming region in the country, supplied largely from the Conway, Kansas hub and Midwest pipeline system, where autumn crop-drying demand and mid-winter cold snaps drive most of the seasonal price movement.
South Dakota propane price FAQ
What is the current propane price per gallon in South Dakota?
As of the latest EIA Weekly Heating Oil and Propane Survey (week ending 30 March 2026), residential propane in South Dakota averaged $1.840 per gallon (EIA series W_EPLLPA_PRS_SSD_DPG). EIA surveys residential propane only from October through March, so this is the most recently published reading; the next weekly update is expected 7 October 2026.
Is propane cheaper in South Dakota than the US average?
South Dakota residential propane is below the US national average of $2.674 per gallon by $0.83 (-31.2%), based on the same EIA weekly survey for the week ending 30 March 2026.
How much has the South Dakota propane price changed this heating season?
Across the 2025-2026 heating season, the South Dakota residential price moved from $1.638 per gallon at the start of October 2025 to $1.840 for the week ending 30 March 2026, a change of +$0.20 per gallon.