Chain · United States · data through July 2026

C Costco logo Costco

Iceflower tracks 687 Costco stores across 47 US states, DC, and 1 territory. It ranks #1 of 143 tracked US warehouse clubs chains by card spend. Its share of tracked category spend moved +0.1% over the last year.

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 stores
687
States
47
Category
Warehouse Club
Category rank
#1

Growth

Costco against its category

The biggest tracked US warehouse clubs chains by card spend, with year-over-year growth of category share. Share means a chain's slice of tracked category spend. It can decline while the chain's own sales grow. The chart tracks Costco's share of the category quarter by quarter, indexed to 2024 Q1 = 100.

# Chain YoY share
1 C Costco logo Costco +0.1%
2 S Sam's Club logo Sam's Club -0.4%
3 B BJ's Wholesale Club logo BJ's Wholesale Club -3.9%
4 R Restaurant Depot logo Restaurant Depot +12.8%
5 C Costco Liquor +2.7%
6 S Sam's Club Tire & Battery +16.4%
7 P Platt Electric Supply logo Platt Electric Supply -9.5%
8 T Texas Concessions and Supplies -17.7%
9 M Maxim Wholesale Inc -3.8%
10 F F.W. Webb Company logo F.W. Webb Company -31.1%

Share of tracked category spend, indexed

100 102.7 2024 Q1 2025 Q4

Store footprint

Store map

687 tracked Costco locations across 47 US states, DC, and 1 territory.

Customer overlap

Who shops at Costco

Tracked chains Costco customers also buy from more than a similarly active shopper would, indexed to the strongest overlap (100). From real card transactions.

More trends

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