The average food budget for a single person is about $302 per month, according to LowerYourSpending.com. Based on data from the U.S. Department of Agriculture, LowerYourSpending.com notes that grocery spending within USDA guidelines ranges from about $198 to about $450 depending on the person's age and other factors.
It is possible to eat on a lower budget, notes MSN Money. On a monthly budget of $50, a savvy shopper can cover his food costs by shopping for sales and choosing stores wisely. Shopping at warehouse stores, bargain stores, ethnic grocery stores and produce markets can help shoppers stay within the lower budget. Stocking up when frequently used items go on sale can also help.