zlacker

>>voxada+(OP)
...and use H3 instead! https://h3geo.org/

>>ajfrie+Q8
Very different use case -- ZIPs/ZCTAs have some semblance of population normalization

>>sbroth+0a
If you care about that and have a data source, you can add, for example, population density per H3 cell as part of your analysis. That has the additional benefit of denoting the this quantity of interest explicitly, rather than some implicitly assumed correlation which may not be true.