Shares of food spending at supermarkets and warehouse club stores increase as income rises

The U.S. food retailing sector offers a variety of store formats for purchasing at-home foods and beverages. A recent ERS analysis of 2008-12 data found that some formats are more popular with lower or higher income consumers than others. The study found that as income rose, households spent a larger share of their at-home food expenditures at supermarkets and warehouse club stores. Supermarkets accounted for 65.4 percent of food expenditures for consumers with annual incomes below $12,000 compared with 70.8 percent for consumers with incomes of $100,000 and above. Warehouse club stores, with membership fees and large package sizes, accounted for 10.2 percent of food spending for the highest income group, but only 3 percent of expenditures for the lowest income group. Supercenters, which sell a wide range of products and have a full supermarket, accounted for 18.9 percent of the lowest income group’s food expenditures, compared with 11.2 percent for the highest income group. Convenience and dollar stores—small segments of at-home food spending—also accounted for a larger share of food expenditures by lower income consumers. This chart appears in the ERS report, Store Formats and Patterns in Household Grocery Purchases, released March 22, 2017.