Across all tracked retailers, cat food sales increased 11% year over year in September and 11% year to date, compared with January through September 2025. Costco led cat food growth, with year-to-date sales up 45%. Amazon cat food sales rose 22% in September and 20% year to date.
Dog food sales grew more slowly. Sales across all retailers rose 3% in September and 2% year to date. Costco dog food sales increased 15% in September and 10% year to date, while Walmart dog food sales grew 5% in September and 3% year to date.