Costco (@costco) has 2.55M Instagram followers with a 3.88% engagement rate over the past 12 months. Across 228 posts, Costco received 3.04M total likes and 79.9M impressions, averaging 13.3K likes per post. This page tracks Costco's performance metrics, top content, and engagement trends — updated daily. To benchmark @costco against other accounts, use Socialpruf's Instagram competitor analysis tool.