Copyright by Clinedinst. Washington.
E. Dana Durand, Director of the Census.
Population schedules in the cities and large towns were required to be
completed within two weeks and in the rural districts within thirty
days. The enormous labor of tabulating and classifying these answers was
then begun by the 3,500 clerks in the Census Office at Washington. Much
of this labor was performed by machines each capable of making 25,000
tabulations a day. Results of the first tabulation of the population in
the cities were made known about June 1 and the count of the principal
cities was completed by April 15. During September the population of the