- About the 1870 census
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About the 1870 census
Highlights
- 9th decennial census
- US population: 39,818,449 (revised count)
- California population: 560,247
- First census taken after the 13th amendment abolished slavery.
- First census to fully record information on the black population.
Questions asked
Name; age; sex; race; occupation; value of real estate; value of personal estate; place of birth; whether parents were foreign born; month of birth if born within the year; month of marriage if married within the year; school attendance; literacy; whether deaf and dumb, blind, insane, or idiotic; male citizens 21 and over, and number of such persons denied the right to vote for other than rebellion. Supplemental schedules for persons who died during the year; paupers; prisoners.
For more information:
- Measuring America: The Decennial Censuses From 1790 to 2000 Census Bureau.
- Population and Housing Items on the General Census Schedules 1790 - 2000 from U Mich.
Coverage

For more information:
- Map Guide to the U.S. Federal Censuses, 1790 - 1920 (SSHL Ref G 1201 .F7 T5 2005)