Although there are references to the hard times that people experienced in Maycomb during the Great Depression, Scout really doesn't give us much information concerning the financial status of many of the main characters. We know that times were hard for everyone.
A day was twenty-four hours long but seemed longer. There was no hurry, for there was nowhere to go, nothing to buy and no money to buy it with... (Chapter 1)
Even professional men like Atticus and Dr. Reynolds were forced to accept trade for their services.
"... Dr. Reynolds works the same way... He charges some folks a bushel of potatos for delivery of a baby." (Chapter 2)
Unlike most attorneys today, Atticus wasn't a wealthy man.
During his first five years in Maycomb, Atticus practiced economy more than anything. (Chapter1)
One of the more affluent members of Maycomb, Dolphus Raymond nevertheless chooses to live on the wrong side of town--with his black mistress.
"... He owns all one side of the riverbank down there and comes from a real old family to boot." (Chapter 16)
Atticus has to wipe away tears when he receives gifts of food from Tom's supporters on the morning after the trial.
"Tell them I'm very grateful," he said. "Tell them--tell them they must never do this again. Times are too hard..." (Chapter 22)