It is very simple:
1. HUD (by USPS): A unit is vacant only after mails had not
been collected for 90 days. If the mails were picked up (collected) in
30 day for example, it is not a vacant unit.
2. ACS: On survey day, a unit is treated as a vacant unit if
it is not occupied.
A one-day definition by ACS compares to USPS's 90-day
Richard Lin, Ph.D.
Colorado Department of Local Affairs
Division of Local Government
1313 Sherman Street, Room 521
Denver, CO 80203
>> <mbousfield(a)cityofchicago.org> 6/19/2007
12:50 PM >>>
I compared the HUD vacancy rates with the ACS vacancy rates.
former are low and the latter very high. Have others found this too and
is there an explanation?
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