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Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. Related Hot Network Questions. Question feed. As a result, these crosswalk files will be generated on a quarterly basis and may differ slightly from quarter to quarter.

We try to publish the Crosswalk Files by the end of the month following the quarter. For example, we aim to publish fourth quarter by the end of January, first quarter by the end of April, and so on. Do ZIP Codes align with political or administrative boundaries? ZIP Codes do not align with political or administrative boundaries. ZIP Codes frequently cross county, city, and town jurisidctions.

ZIP Codes may also potentially cross state borders. ZIP Codes have the potential to intersect with multiple geographies. The ratio fields describe the percentage of the respective addresses that fall in both that ZIP Code and each county. As addresses are created or removed, this changes the ratios in the associated geographies. Why is there a large jump in the number of addresses from to ? Many students also use the files. Skip to main content.

When are Crosswalk Files typically posted? Are names for ZIP codes available? Are Crosswalk Files available prior to Q1? Unfortunately, Crosswalk Files are not available prior to Q1. Rob Raisch Rob Raisch 16k 3 3 gold badges 44 44 silver badges 57 57 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.

The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. Related Hot Network Questions.