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The American Community Survey (ACS) samples addresses, not individuals. If the housing unit is vacant, we typically ask someone who is familiar with the unit to complete the survey to the best of his or her ability. The questions pertaining to vacant homes ask about the characteristics of the home and how it is being used now. If we determine that the unit is vacant, we will not make any further attempt to contact this address.
Send your question or a description of the issue you are facing to a Census Bureau support representative.
Have a live conversation with a Census Bureau support representative to get answers to your questions.

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