The nominal head of the early censuses was the
Secretary of State, but management responsibility was actually devolved to the
U.S. marshal in each state. These marshals collected and tabulated their own returns; the Secretary of State only oversaw the final compilation and tabulation of the data. By 1840, the increasing standardization of census questionnaires and the enumeration process made it clear that more leadership at the federal level was necessary. Secretary of State
John Forsyth appointed
William Augustus Weaver as the first "superintending clerk of the census" in that year. Weaver and his successors oversaw the technical aspects of the census, including designing questionnaires, and more closely managed the tabulation process. set the term for the Census Bureau director at five years; the director can serve for up to two terms. The Census director must also "have a demonstrated ability in managing large organizations and experience in the collection, analysis, and use of statistical data." ==Chronology of Census Bureau leadership==