Instead of trying to cram too much detail into a given chart or map, it may make sense to create multiple versions of the same graphic format, each showing different data or a different state.
Multiples (sometimes called “Small Multiples”) are charts or maps using the same scale and axes but displaying different data. Using the same chart size and format allows the user to visually compare similarities and differences. Multiples allow for a more nuanced comparison, as opposed to trying to show everything in one chart.