Trends · data through September 2026

Gas & Auto trends in South Dakota

Iceflower tracks 635 stores from 235 gas & auto chains in South Dakota. Marathon grew fastest over the last year, ahead of Cubby's and Casey's.

Rankings come from real card and bank transactions across a panel of 130M+ US and EU consumers. We publish relative growth and rankings, never revenue figures. About the data

Tracked chains
235
Tracked stores
635
Consumer panel
130M+

Growth ranking

Fastest-growing tracked gas & auto chains

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below. Marathon and Cubby's sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 Marathon ▲6 +17.9%
2 Cubby's ▲3 +16.2%
3 Casey's - +15.4%
4 Pilot Flying J ▲1 +13.0%
5 AutoZone ▲3 +6.5%
6 Valvoline Instant Oil Change ▲1 +4.4%
7 Cenex ▲1 +3.6%
8 Love's Travel Stop ▲1 +1.0%
9 Big D ▲1 +0.7%
10 Loaf 'N Jug ▲3 +0.3%
11 Phillips 66 Gas ▲2 -1.8%
12 Shell ▲2 -1.9%
13 Corner Pantry ▲1 -2.4%
14 Yesway ▲1 -3.6%
15 O'Reilly Auto Parts ▲1 -5.6%

Store footprint

Store map

635 tracked store locations in South Dakota, colored by category. The top 5 chains by store count run 173 of the 635 stores (27%); 182 of the 235 tracked chains have a single store here. 4% of the tracked gas & auto stores here are auto repair services, against 18% across the United States.

Top tracked chains by store count

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