A theme we keep going back to is that you should visualize your data with a map. (You can see some examples, here, here, here, and here). One important aspect of this is that you should see a different amount of data as you zoom in on the map.
The following example shows the demand by three different types of products at the state level. The second example shows the same data, but reported by census tract. So, when you are analyzing a small geographic area, you are presented with much more detailed information.