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TOPICS
2000 and Earlier
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American Community Survey (ACS)
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Data.census.gov
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No. The Census Bureau receives your responses once you have submitted your completed American Community Survey online. Therefore, mailing back your questionnaire is not required and saves on mailing costs

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.

Monday - Friday, 8:00 AM - 5:00 PM ET, Except Federal Holidays.