Test Population Schedule for the 1930 Census In the spring of 1930, the Bureau of the Census temporarily employed nearly 87,800 individuals as enumerators for the Fifteenth Census of the United States. Each was at least 18 years old and a U.S. citizen, and had successfully filled out a test census schedule. The test included a narrative description of families and farms in a hypothetical community and a blank schedule. Potential enumerators read the narrative and completed the schedule based on