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Maritime and Military Vessel Enumeration

Maritime and Military Vessel Enumeration counts people in the 2020 Census who live or stay aboard maritime or military vessels and who do not have a usual home elsewhere.

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The Census Bureau is no longer collecting responses to the 2020 Census. This page provided details for specific operations during the count.

What Are Maritime and Military Vessels?

Examples of maritime and military vessels include but are not limited to:

  • Cargo vessels
  • Commercial fishing vessels
  • Military Sealift Command vessels
  • U.S. Navy ships
  • U.S. Coast Guard ships

When Does Maritime and Military Vessels Enumeration Take Place?

Maritime and Military Vessel Enumeration for the 2020 Census will be conducted across the United States, including in Puerto Rico, April 1 through June 20, 2020.

How Does Maritime and Military Vessels Enumeration Data Collection Work?

  • Mailing lists for Maritime and Military Vessel Enumeration are obtained from the major maritime agencies, the Military Sealift Command, the U.S. Navy, and the U.S. Coast Guard.
  • Kits with procedures, training information, and census questionnaires are distributed by mail to operators of U.S. flag vessels and U.S. military vessels.
  • Operators who oversee multiple vessels will be instructed to forward the additional kits they receive to the other vessels under their domain.
  • A designated person aboard each vessel will conduct the maritime enumeration for their vessel, following the instructions provided in the kit.
  • Each person staying or living aboard the vessel will be asked to complete a paper census form, which should take approximately 10 minutes. They should return their completed form to the designated person for their vessel.
  • Question 3 on the questionnaire asks for a person’s usual home elsewhere. Respondents who provide an address in response to that question will be counted at that address. Respondents who do not have a usual home elsewhere will be counted on the vessel.

People aboard a maritime or military vessel fill out two questionnaires: a vessel questionnaire and a 2020 Census questionnaire at their usual residence. This is because the Census Bureau does not want to miss counting any maritime or military vessel personnel, including those who do not have a usual residence other than the vessel, those who usually stay in barracks when not on a vessel but will be on a vessel on April 1, 2020, and those who have a usual residence but will be on a vessel on April 1, 2020.


GQE Fact Sheet

Maritime and Military Vessel Enumeration Fact Sheet

Fact sheet for Maritime and Military Vessel Enumeration.

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pdf   English   [< 1 MB]
pdf   Spanish/Español   [< 1 MB]

eResponse Letter

Informational Copy of the Vessel Questionnaire

Informational copy of the 2020 Maritime Vessel questionnaire used for enumeration.

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pdf   English   [< 1 MB]