Costco makes approximately $683.8 million in revenue per day based on its 2024 annual revenue of $249.6 billion. On average, Costco earns about $20.27 million in profit each day, with a net profit margin of approximately 2.96% in 2024. An individual Costco warehouse averages around $712,000 in sales per day. These figures can vary with seasonal fluctuations and location differences.