Gross profit margins in U.S. convenience stores, by product category 2017

At over 50 percent, health and beauty care products had the highest gross profit margin in convenience stores in the United States in 2017. At roughly 15 percent, cigarettes had the lowest margin.

Number of U.S. convenience stores

7 Eleven Inc. had over nine thousand stores in the United States in 2019, making it the company with the highest number of locations in the country. Competitor Marathon Petroleum Corp. had close to six thousand U.S. convenience stores that year. In 2018, there was a total of about 150 thousand convenience stores in the United States, a decrease of over one and a half thousand stores compared to 2017.

C-store candy

Selling candy and snacks is a large part of the American convenience store retail industry: average monthly sales numbers for chocolate bars and packs, for example, amounted to an estimated two and a half thousand U.S. dollars per month in 2018.