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|1830 United States Census|
Seal of the United States Census Bureau
|Date taken||June 1, 1830|
The United States Census of 1830, the fifth census undertaken in the United States, was conducted on June 1, 1830. The only loss of census records for 1830 involved some countywide losses in Massachusetts, Maryland, and Mississippi.
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.
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
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.
|X||West Virginia ||176,924|
|X||District of Columbia ||30,261|
- "Library Bibliography Bulletin 88, New York State Census Records, 1790-1925". New York State Library. October 1981. pp. 43 (p.49 of PDF).
- Between 1790 and 1860, the state of West Virginia was part of Virginia; the data for each states reflect the present-day boundaries.
- The District of Columbia is not a state but was created with the passage of the Residence Act of 1790. The territory that formed that federal capital was originally donated by both Maryland and Virginia; however, the Virginia portion was returned by Congress in 1846.
- Population of the 100 Largest Cities and Other Urban Places in the United States: 1790 to 1990, U.S. Census Bureau, 1998
- "Regions and Divisions". U.S. Census Bureau. Archived from the original on December 3, 2016. Retrieved September 9, 2016.