Costco added roughly 2.5 million Millennial and Gen Z household memberships last year.
Robert Nickelsberg/Getty Images
- Costco is the latest warehouse club to tout its growing popularity with millennial and Gen Z shoppers.
- The company said half of new sign-ups were under 40, helping to lower the club's average age.
- Sam's Club has reported similar trends as younger shoppers look to stretch their budgets.
One of the hottest clubs for millennials and Gen Z continues to be the wholesale club.