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Zip Codes Heat Map (areas, not points)?

Question asked by jgraupner on Nov 8, 2018
Latest reply on Nov 9, 2018 by KGerrow-esristaff

I'm new to ArcGIS Online and am trying to do a fairly easy task with some difficulty. I have imported a .CSV  file just containing survey participants Zip Codes.  When I import them as addresses/ZIP codes, I can get a heat map of frequency of zip codes (which is what I want), but ArcGIS Online is treating them like singular points (rather than the full area of the Zip Code Boundary). I have also imported the Chicago Zip Codes Boundary zipped shape file. 

 

Do I have to merge these layers or tables somehow? How can I make ArcGIS recognize these zip code frequencies as full zip code areas and not points?

Thanks!

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