The USGenWeb Census Project Intro to Federal Census Research 1810 Census Facts Series: M252 Rolls: 1 - 71.

Third U.S. decennial population census. U.S. population: 7.2 million (6.0 million free, 1.2 million slave) Census conducted by U.S. marshals under the direction of the Secretary of State. Census day: 1st Monday in August (6 August 1810). Mandated copies: One set, sent to the federal district court. Same copy ordered sent to the U.S. Secretary of State in 1830. Information Provided on 1810 Census: Names of family head if white, age and sex race slaves.

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