Costco shoppers outside one of its stores
Costco shoppers outside one of its stores.
  • Costco has more than 838 warehouses around the world and made more than $226 billion in sales in 2022.
  • The wholesale club has similar customer loyalty as other big box stores, and it adds more new customers than it loses.
  • The average Costco customer is a 39-year-old Asian American woman who's married and earns $125,000, Numerator found.

Costco is the third-largest retailer in the US, pulling in more than $226.9 billion in sales in 2022. The store operates as a wholesale club, with nearly 119 million cardholders representing households and small and midsize businesses.