The United States Census of 1830 was the fifth Census conducted in the United States. It was conducted on June 1, 1830. It determined the population of the 24 states to be 12,866,020, of which 2,009,043 were slaves. The center of population was about 170 miles (274 km) west of Washington, D.C. in present-day Grant County, West Virginia.
Census questions 
The 1830 census asked these questions:
- Name of head of family
- Number of free white males and females
- in five-year age groups to age 20
- in 10-year age groups from 20 to 100
- 100 years and older
- number of slaves and free colored persons in six age groups
- number of deaf and dumb
- under 14 years old
- 14 to 24 years old
- 25 years and older
- number of blind
- foreigners not naturalized
Data availability 
No microdata from the 1830 population census are available, but aggregate data for small areas, together with compatible cartographic boundary files, can be downloaded from the National Historical Geographic Information System.
Further reading 
- ^ "Library Bibliography Bulletin 88, New York State Census Records, 1790-1925". New York State Library. October 1981. pp. 43 (p.49 of PDF).