Trends · data through July 2026

Warehouse Clubs in Chicago-Naperville-Elgin, IL-IN

Iceflower tracks 53 stores from 9 warehouse clubs chains in Chicago-Naperville-Elgin, IL-IN.

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
9
Tracked stores
53
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 - -0.5%
2 S Sam's Club logo Sam's Club - -3.5%
  • 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

53 tracked store locations in Chicago-Naperville-Elgin, IL-IN. The 7 largest tracked chains are highlighted.

  • Costco (24)
  • Sam's Club (17)
  • Restaurant Depot (6)
  • 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 24
  • 2 S Sam's Club logo Sam's Club 17
  • 3 R Restaurant Depot logo Restaurant Depot 6
  • 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

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