An official website of the United States government
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Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
A locked padlock
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Every census, survey, and program has technical documentation to assist users with the published statistics. These may include any of the following resources.