The 1860 United States Census, the eighth decennial enumeration, was taken with an official reference date of November 1, 1860. Its final reports showed a national population of 31,443,321, an increase of about 35.4 percent from the prior decennial count. Of the total, 3,953,761 people were recorded as slaves, a figure that highlights the sectional division of the country in the months immediately preceding the American Civil War.

Scope and content

The census gathered information beyond simple headcounts. Enumerators recorded names, ages, sex, race, occupation, value of real and personal estate for free persons, and birthplace. Separate schedules collected data for agriculture and manufacturing, and a distinct slave schedule listed enslaved people by age, sex, and color without names. These different schedules provide multiple angles for demographic and economic analysis.

Uses and significance

Data from the 1860 census were used for apportioning representation and for federal and state planning. For historians and genealogists, the census is a central source for studying antebellum population distribution, urban growth, immigration, internal migration to the West, and the economic landscape of agriculture and industry on the eve of war. The enumerated totals and regional breakdowns remain widely cited in studies of the period.

  • Enumeration date: November 1, 1860 (official reference date).
  • Total population: 31,443,321; increase of about 35.4% over 1850.
  • Enslaved population recorded: 3,953,761 (on a separate schedule).

While the census aimed to be comprehensive, it reflected the legal and social categories of its time: Native peoples not taxed were often omitted, women and children were counted but recorded according to household heads, and enslaved persons were listed without the personal identifiers afforded to free citizens. These limitations shape how modern researchers interpret the data.

For further context on the series and its methodology, see general summaries of the Eighth Census and sources about the United States enumeration practices of the 19th century. Comparative figures and percent changes rely on earlier counts such as the 1850 Census, which provides a baseline for the growth measured in 1860.