https://www.stlouisfed.org/open-vault/2023/august/using-maps-compare-data-regio… Created Wed, 09/08/2023 - 19:30 Updated Wed, 09/08/2023 - 19:30 FRED maps can help us visually compare data across geographic regions, such as GDP by U.S. county and the median listing price of homes for sale by state.