1980 United States Census
of the United States
U.S. Census Bureau Seal
|Date Taken||April 1, 1980|
|Total U.S. Population||226,545,805|
|Most Populous State||California
|Least Populous State||Alaska
The Twentieth United States Census, conducted by the Census Bureau, determined the resident population of the United States to be 226,545,805, an increase of 11.4 percent over the 203,184,772 persons enumerated during the 1970 Census.
 Census questions
The 1980 census collected the following information from all respondents:
- Household relationship
- Marital status
- Whether of Spanish/Hispanic origin or descent
It was the first census not to ask for the name of the "head of household."
Approximately 16 percent of households received a "long form" of the 1980 census, which contained over 100 questions. Full documentation on the 1980 census, including census forms and a procedural history, is available from the Integrated Public Use Microdata Series.
 Data availability
Microdata from the 1980 census are freely available through the Integrated Public Use Microdata Series. Aggregate data for small areas, together with electronic boundary files, can be downloaded from the National Historical Geographic Information System.
 State rankings
|x||District of Columbia||638,000|
Between the 1980 census and the 1990 census, the United States' population increased by approximately 22,164,837 or 9.8%.
- "Population and Area (Historical Censuses)". United States Census Bureau. Archived from the original on 24 June 2008. Retrieved 20 June 2008.
- "Library Bibliography Bulletin 88, New York State Census Records, 1790-1925". New York State Library. October 1981. pp. 46 (p. 52 of PDF). Archived from the original on 30 January 2009. Retrieved 15 December 2008.
- Frum, David (2000). How We Got Here: The '70s. New York, New York: Basic Books. p. 246. ISBN 0-465-04195-7.
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