1880 United States Census

The United States Census of 1880 was the tenth conducted by the  during June 1880. It was the first time that women were permitted to be enumerators. .

Data collected
Five schedules were authorized by the 1880 census act, four of which were filled out by the enumerators:
 * Schedule 1 (Population), which was similar to that used for the, with a few exceptions.
 * Schedule 2 (Mortality), which used the same inquiries as in 1870, and added inquiries to record, birth place of parents, length of residence in the United States or territory, and name of place where the disease was contracted, if other than place of death.
 * Schedule 3 (Agriculture), which greatly expanded inquiries concerning various crops (including acreage for principal crop), and included questions on farm tenure, weeks of hired labor, annual cost for fence building and repair, fertilizer purchases, and the number of livestock.
 * Schedule 5 (Manufacturing), which expanded to include information on the greatest number of hands employed at any time during the year, the number of hours in the ordinary work day from May to November and November to May, the average daily wages paid to skilled mechanics and laborers, months of full-and part-time operation, and machinery used.

Schedule 4 (Social statistics) was the responsibility of experts and special agents, rather than the enumerators. The majority of the data came from correspondence with officials of institutions providing care and treatment of certain members of the population. Experts and special agents also were employed to collect data on valuation, taxation, and indebtedness; religion; libraries; colleges, academies, and schools; newspapers and periodicals, and wages.

Special agents were also charged with collecting data on specific industries through out the country, and included the manufactures of iron and steel; cotton, woolen, and worsted goods; silk and silk goods; chemical products and salt; coke and glass; shipbuilding; and all aspects of fisheries and mining, including the production of coal and petroleum.

Results
The 1880 census determined the resident population of the to be 50,189,209, an increase of 30.2 percent over the 38,558,371 persons  during the. The for 1880 was in.

The results from the census were the  for the, , , , and  sessions of the.

The 1880 census took so long (seven years) that the Census Bureau contracted to design and build a  to be used for the.

The 1880 census also led to the discovery of the.