Propane prices in South Dakota this week
Propane in South Dakota averaged $2.02 a gallon in the week of Nov 2, 2026, up 6.5¢ from the week before. That is $0.80 below the US average of $2.82, and 19% higher than a year ago ($1.69).
Propane price in South Dakota since Sep 9, 2024
Weekly from October to March; monthly in spring and summer. Dollars per gallon, excluding taxes.
How South Dakota compares
South Dakota ranks #34 of 38 surveyed states for propane prices this week (1 = most expensive). See every state.
Frequently asked questions
How much is propane in South Dakota right now?
The average residential propane price in South Dakota was $2.02 per gallon in the week of Nov 2, 2026, excluding taxes, according to the US Energy Information Administration's weekly survey.
How much does it cost to fill a propane tank in South Dakota?
A 500-gallon tank is filled to 80%, so a fill from 20% is about 300 gallons. At $2.02 a gallon that is about $605 before taxes and delivery fees.
Is propane more expensive than last year in South Dakota?
Yes. A year ago the average was $1.69, so prices are 19% higher now.
Source: US Energy Information Administration, Heating Oil and Propane Update, residential prices excluding taxes. Your dealer's price will differ with volume, contract type and delivery area. Updated Nov 2, 2026.