South Dakota Propane Prices in 2026
16 EIA surveys, Jan 5, 2026 to Oct 19, 2026 (year in progress)
Last updated
- Average
- $1.836
- High
- $1.870
- Oct 19
- Low
- $1.724
- Oct 5
- Against 2025
- Down −$0.018 (−1.0%)
- change in average
In 2026 so far, EIA published 16 residential propane prices for South Dakota. They averaged $1.836 a gallon, from a low of $1.724 on October 5, 2026 to a high of $1.870 on October 19, 2026.
The average was 1.0% below 2025’s $1.854.
EIA surveys only during the heating season in most years, so there are no South Dakota values for April, May, June, July, August and September.
Week by week
Every survey in 2026
| Month | Survey dates and prices | Month average |
|---|---|---|
| January | Jan 5$1.830Jan 12$1.828Jan 19$1.828Jan 26$1.855 | $1.835 |
| February | Feb 2$1.863Feb 9$1.864Feb 16$1.853Feb 23$1.856 | $1.859 |
| March | Mar 2$1.828Mar 9$1.833Mar 16$1.844Mar 23$1.840Mar 30$1.840 | $1.837 |
| October | Oct 5$1.724Oct 12$1.824Oct 19$1.870 | $1.806 |
Source: U.S. Energy Information Administration, weekly propane residential price table. Prices exclude taxes.
Propane — weekly South Dakota, CSV (12 rows, from 2026-02-02 to 2026-10-19)
Columns: survey_date, area, fuel, price_usd_per_gallon_excl_taxes. Prices are residential, in dollars per gallon ($/gal), excluding taxes. Source: EIA.