Using Data

Trying to understand the Zip Code issue

Please bear with me, I'm new to this.


I have been looking for a way to get Zip+4 demographics. The Census position is that they don't provide that but they point to the shapefiles.


I have 2 questions:

1. Can someone simplify whether or not these shapefiles are useful or if the data I want is simply not available here? Example: what is the Male-Female ratio in 68198-9550?


2. What are other companies offering when they charge between $1000 to $30,000 to provide zip+4 demographics?



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Idea No. 216