Why Your ZIP Code Analysis Is Probably Wrong — And What to Use Instead
A Reddit thread in r/gis titled “ZIP codes are a bad spatial abstraction” accumulated 34 upvotes and substantial agreement. The comments covered reasons ranging from USPS policy to census methodology. The frustration is real: analysts keep getting results that don’t survive peer review, and the problem is usually the spatial unit, not the statistics. ZIP codes are the default because they appear in every address dataset and everyone understands them intuitively. Neither of those properties makes them good for spatial analysis. ...