Poshmark holds approximately 19% of the digital fashion resale market, second only to donation-based entities like Goodwill.
Its core audience remains fashion-conscious buyers aged 25–45, with growing participation from Gen Z shoppers motivated by sustainability. Seller Economics (2026) postmark buy and sell fashion
There are more than 200 million active listings, spanning luxury brands, vintage items, and everyday basics. Poshmark holds approximately 19% of the digital fashion