The Mack’s Service at 120 First Ave. W. in Clark, SD is selling the cheapest midgrade unleaded gasoline near zip code 57217 this week, according to GasBuddy.com.
The station, which is 14.82 miles from zip code 57217, has midgrade unleaded priced at $2.98 per gallon for the week of October 21-27.
In greater South Dakota, the average price is $2.46 and the lowest price is $2.29. Trends show the price as up.
The average price of unleaded gas in the state is $2.654 per gallon. The previous week, the state average was $2.658 per gallon. The average has decreased since last month, when it was $2.725 per gallon – a 7.1 cent difference.
Data is accurate as of press time, but gas prices have been known to fluctuate on a daily, and even hourly, basis.


