As grocery prices continue to march higher, some U.S. cities are feeling the burden more than others, a new study found.

Personal finance site WalletHub looked at 100 of the largest cities to see what percentage of the average household income is spent on common grocery items.

The analysis found that those from Detroit spend a higher percentage of their incomes on groceries than residents of any other U.S. city, with a median cost of nearly 3.8 percent. While grocery prices were somewhat average — despite having the 10th-most expensive lettuce and the 17th-most expensive tuna, according to WalletHub — the average household income was the second........

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