Union County
South Dakota
Union County Gas Prices - Find the Lowest Gas Prices in Union County, SD
Search for the lowest gasoline prices in Union County, SD. Find local Union County gas prices and Union County gas stations with the best prices to fill up at the pump today
National and South Dakota Gas Price Averages
| National Avg. | SD Reg. Avg. | SD Plus Avg. | SD Prem. Avg. | SD Diesel Avg. |
|---|---|---|---|---|
|
$3.196
04/12/2025
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04/12/2025
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04/12/2025
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04/12/2025
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04/12/2025
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Today's lowest gas prices in South Dakota and around Union County
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Local Events
South Dakota Martini Festival
Saturday, Apr 26, 2025 from 4:00pm to 8:00pm
Vermillion, SD
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Racetrack Thrills - Mother's Day Tribute
Friday, May 9, 2025 at 7:30pm
North Sioux City, SD
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In and Around Union County, SD