
All Scan/US Subscriptions include baseline Census data from the 1990 Census, the 2000 Census, and the 2010 Census. This enables trend analyses between a past year, current-year estimates, and five-year projections.
Scan/US production cross references enables prior years data to be brought forward to current-year geographies which did not exist in 1990, 2000, or 2010, such as constantly-changing postal ZIP maps.
In addition to the prior-census years, two categories of 2010 Census Data ship with Scan/US (additional purchase required): SF1 reference data and the detailed standard reference of American Community Survey (ACS) Housing
More information about the 2010 Census databases available for sale can be found here
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