Community organisations worry that if branches continue to close in poor areas, many neighbourhoods could become reliant on payday lenders and cheque-cashing stores.
It helps to live in a prosperous zip code; within a mile from our house there are five major banks. Even so, we've winnowed the number of banks we use to two; in order to avoid the fees they all require a minimum balance of $2,000-$3,000, and spreading it around becomes costly very quickly.
Willie Sutton famously and apocryphally said he robbed banks "because that is where the money is." Banks follow that philosophy, too, when deciding where to open for business.