Trends · data through July 2026

Warehouse Clubs in Illinois

Iceflower tracks 64 stores from 10 warehouse clubs chains in Illinois.

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
10
Tracked stores
64
Consumer panel
130M+

Growth ranking

Fastest-growing tracked warehouse clubs 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. Costco and Sam's Club sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 C Costco logo Costco - -0.3%
2 S Sam's Club logo Sam's Club - -2.9%
  • Costco
  • Sam's Club
  • Restaurant Depot
  • Ak Wholesale Inc
  • Sams Beauty Warehouse
  • Willow Electrical Supply
  • Joong Boo Warehouse Market
  • Other tracked chains

Store footprint

Store map

64 tracked store locations in Illinois. The 7 largest tracked chains are highlighted.

  • Costco (26)
  • Sam's Club (26)
  • Restaurant Depot (5)
  • Ak Wholesale Inc (1)
  • Sams Beauty Warehouse (1)
  • Willow Electrical Supply (1)
  • Joong Boo Warehouse Market (1)
  • Other tracked chains

Top tracked chains by store count

  • 1 C Costco logo Costco 26
  • 2 S Sam's Club logo Sam's Club 26
  • 3 R Restaurant Depot logo Restaurant Depot 5
  • 4 A Ak Wholesale Inc 1
  • 5 S Sams Beauty Warehouse logo Sams Beauty Warehouse 1
  • 6 W Willow Electrical Supply 1
  • 7 J Joong Boo Warehouse Market logo Joong Boo Warehouse Market 1
  • 8 I Ink Smith Inc 1
  • 9 C Chicago Basil 1
  • 10 M Medical Resources Group 1

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