Hi. Data on vacancy status is not comparable between decennial Census data and ACS. I know there have been concerns over the accuracy of the ACS vacancy data. Is the decennial data from 2000 and 2010 considered more accurate?
In reply to Kathy Pettit:
Hi All, Vacancy data derived from USPS sources may not be reliable for determining vacancy.
From the AAPOR Task Force Report on Address-based Sampling...
"The USPS maintains an address vacancy indicator. In 2010, there were about 13 million
addresses indicated as vacant in the AMS (in the raw DSF delivered to the Census Bureau).
However, recent studies have found between 38% and 41% of units classified as vacant to be
occupied (Amaya et al. 2014; Kalton et al. 2014). A housing unit that is vacant may quickly
become occupied. According to USPS guidelines, an address must be unoccupied for 90 days to
be classified as vacant (Iannacchione 2011). Given the difficulty in maintaining an accurate and
timely vacancy indicator and the coverage concerns with using this variable in frame creation,
caution should be exercised in removing addresses classified as vacant."
In reply to Joseph McMichael:
In reply to Bernie:
In reply to Cliff Cook: