Los Angeles has the highest number of coffee shops, Seattle has the highest penetration

Los Angeles, Seattle, Chicago and New York lead the nation in number of coffee shops opened, with 801 shops in LA area. However, when NPD Group divided the population numbers by the number of coffee shops, Seattle, Portland, Minneapolis and San Diego became the market with the highest coffee shop penetration. There're 2.5 coffee shops for every 1,000 people in Seattle, WА.