Hi I was wondering how I could access ACS data by zipcode from 2009 and load it into R? I've been able to get it down to county but would prefer it to be zip-code level for my research?
The Bureau didn't publish ACS data for ZIP Code Tabulation Areas (the level most closely matching "ZIP codes") until the 2011 release. This page lists which areas are identified in the 2009 release. You can click on other tabs there to see what's available for other years' releases.
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