South Dakota propane price: $2.60 per gallon (residential average, estimate). Week of Oct 12, 2026. U.S. average: $2.54. Source: Sample data (placeholder; EIA feed not yet connected). Updated Oct 14, 2026. SAMPLE DATA, NOT REAL PRICES.
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South Dakota Propane Prices: Tank Fill and Swap Costs Near You
Average residential propane in South Dakota is $2.60/gal (+0.02 vs last week). Use it to estimate a home tank fill, then compare with cylinder swap/exchange prices nearby. Sample data
South Dakota 12-week price history
Sample data, not real prices. Placeholder estimates for preview only. Live EIA data is not connected yet.
| Week of | Price / gallon |
|---|---|
| Oct 12, 2026 | $2.60 |
| Oct 5, 2026 | $2.58 |
| Sep 28, 2026 | $2.59 |
| Sep 21, 2026 | $2.57 |
| Sep 14, 2026 | $2.55 |
| Sep 7, 2026 | $2.56 |
| Aug 31, 2026 | $2.54 |
| Aug 24, 2026 | $2.52 |
| Aug 17, 2026 | $2.53 |
| Aug 10, 2026 | $2.51 |
| Aug 3, 2026 | $2.49 |
| Jul 27, 2026 | $2.50 |
| Jul 20, 2026 | $2.48 |
Propane locations in South Dakota
Real businesses, compiled Oct 19, 2026 from public company location pages and, where noted, directory listings (see Source). Only what the source states is shown; anything else is "Unknown". Call ahead to confirm services and prices.
| Name | City | Service area | Exchange | Fill | Service type | Exchange price (with tank to trade in) | Exchange price (no tank to trade) | Fill price per gallon | Source |
|---|---|---|---|---|---|---|---|---|---|
| AmeriGas Propane146 Centennial Dr, Custer, SD 57730(605) 673-4665 | Custer, SD | Unknown | Unknown | Yes (delivery) | Delivery (tank fill); exchange unknown | Unknown | Unknown | Unknown | AmeriGas office page |
| AB Propane1700 West 50th Street, Sioux Falls, SD 57105(605) 335-5840 | Sioux Falls, SD | Unknown | Yes | Yes (cylinder refill (storefront)) | Exchange and fill | Unknown | Unknown | Unknown | AB Propane cylinders page |
| Ferrellgas5101 West 9th St, Sioux Falls, SD 57107605-338-2541 | Sioux Falls, SD | Unknown | Unknown | Yes (delivery) | Delivery (tank fill); exchange unknown | Unknown | Unknown | Unknown | Ferrellgas office page |
| U-Haul Moving & Storage of Aberdeen500 5th Ave NW, Aberdeen, SD 57401(605) 277-4000 | Aberdeen, SD | Unknown | Unknown | Yes (refill station) | Refill station; exchange unknown | Unknown | Unknown | Unknown | U-Haul "Propane Refill Stations" listing |
| U-Haul Moving & Storage of Rapid City20 Deadwood Ave, Rapid City, SD 57702(605) 348-1151 | Rapid City, SD | Unknown | Yes | Yes (refill station) | Exchange and fill | Unknown | Unknown | Unknown | U-Haul "Propane Refill Stations" listing |
| U-Haul Moving & Storage of Sioux Falls923 W 11th St, Sioux Falls, SD 57104(605) 339-0750 | Sioux Falls, SD | Unknown | Yes | Yes (refill station) | Exchange and fill | Unknown | Unknown | Unknown | U-Haul "Propane Refill Stations" listing |
| U-Haul Moving & Storage of Veterans Parkway3401 S Grand Slam Ave, Sioux Falls, SD 57110(605) 250-7615 | Sioux Falls, SD | Unknown | Unknown | Yes (refill station) | Refill station; exchange unknown | Unknown | Unknown | Unknown | U-Haul "Propane Refill Stations" listing |
How to lower your propane cost
How much does it cost to fill a propane tank in South Dakota?
Multiply the per-gallon price by the gallons you need. A 500-gallon home tank is filled to about 80% (400 gallons), so at the shown average price that is roughly 400 x the price. Delivery fees and minimums vary by dealer.
Is a tank swap (exchange) cheaper than a refill?
Usually not per gallon. A 20 lb exchange cylinder often holds about 15 lb (about 3.5 gallons), so refilling at a dealer is typically cheaper per gallon. Exchange is faster and more convenient.
When is propane cheapest?
Prices usually dip in late spring and summer. Filling or pre-buying a season contract before October can lower your cost.
How can I lower my propane cost?
Compare dealers, ask about budget or pre-buy plans, own your tank so you can shop around, and improve insulation and thermostat settings.