Meet the typical Trader Joe's shopper: a younger, married, college-educated person earning over $80,000

• Trader Joe's had more than 535 US stores as of last summer. It employs about 17,000 people, and makes an estimated $16.5 billion in sales per year.
• The grocer has relatively high customer turnover, though it adds more new customers than it loses.
• Trader Joe's average customer is a married person in an urban area who is 25 to 44 years old, earning $80,000.

Trader Joe's is among the largest grocery chains in the US, with annual sales estimated to be about $16.5 billion. The company does not disclose its financials as it is privately held.