It's not the bigger Louisiana cities like Baton Rouge, New Orleans that show up on the list but rather smaller cities, and there are two Acadiana cities that appear on this list.
According to the results of our survey, it appears as though folks in Acadiana don't need expensive materialistic objects to make themselves (or the people in their lives) happy.
Here are the 10 richest zip codes in Louisiana. The numbers are from 2015 IRS tax returns, the most recent year for complete data, and is ranked by reported total income.