A dense urban environment with a high concentration of nightlife, dining, and luxury retail.
Index maps to the West Hollywood area, specifically encompassing the famous Sunset Strip .
If you are looking for the raw data used to create these indices, you can download the full from the Senate Office of Demographics . Zip Code Order - Senate Office of Demographics
Below is a structured "helpful paper" or guide based on the demographic data associated with these specific index entries. Demographic Overview: ZIP Code Index 126–130