Deep DiveHead-to-Head in US Warehouse Club Retailing: Costco vs. Sam’s Club Sujeet Naik, Analyst Sector Lead: John Mercer, Head of Global Research and Managing Director of Data-Driven Research January 12, 2023 Reasons to ReadCostco and Sam’s Club are the two leading warehouse clubs in the US. We provide insights into key elements of their businesses: revenue and margin growth, shopper profiles and their brick-and-mortar and digital strategies. Data in this report include: Costco and Sam’s Club revenues and revenue growth, 2018–2022 Costco and Sam’s Club e-commerce revenue and sales penetration, 2019–2022 Proportion of US consumers that have shopped at mass merchandisers/warehouse clubs in the prior three months, 2022 Age and income breakdowns of US consumers by retailers shopped at, 2022 Costco and Sam’s Club store counts and maps Companies mentioned in this report are: Amazon, Costco, Kroger, Sam’s Club, Target, Walmart Other relevant research: Dollar Stores: Flexing Muscle in US Grocery US Grocery Discounters: Price Competition Intensifies US Consumer Tracker Extra: Who Shops Where? 2022 Shopper Demographics Market Outlook: US Mass Merchandisers and Warehouse Clubs—Weathering Post-Pandemic Challenges Already a subscriber? Log in You are currently viewing a preview of this report. Please select an access option to view the full report. Hide Options - Show Options + Get unlimited access to all our research with one of our subscription plans. View Subscription Plans or Contact us to purchase this report. Contact us ✕ This document was generated for Other research you may be interested in: Groceryshop 2025 Day Four: AI and Data Are Driving Shopper Journeys and Unified OrganizationsAmazon Prime Day 2025: Preview—Five Essential Insights on Consumers’ Shopping PlansUS Back to School 2025, Part 2: Where Consumers Will Shop—Opportunities with Higher-Income Shoppers, in Retail Media and on TikTokCanada Store Openings and Closures Tracker 2025: Best Buy, Dollarama and Loblaw Companies Lead Openings at the Start of the Year