United States Census, 1980
Overview
 
The Twentieth United States Census
United States Census
The United States Census is a decennial census mandated by the United States Constitution. The population is enumerated every 10 years and the results are used to allocate Congressional seats , electoral votes, and government program funding. The United States Census Bureau The United States Census...

, conducted by the Census Bureau
United States Census Bureau
The United States Census Bureau is the government agency that is responsible for the United States Census. It also gathers other national demographic and economic data...

, determined the resident population of the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 to be 226,545,805, an increase of 11.4 percent over the 203,184,772 persons enumerated
Enumeration
In mathematics and theoretical computer science, the broadest and most abstract definition of an enumeration of a set is an exact listing of all of its elements . The restrictions imposed on the type of list used depend on the branch of mathematics and the context in which one is working...

 during the 1970 Census.
The 1980 census collected the following information from all respondents:
  • address
  • name
  • household relationship
  • sex
  • race
  • age
  • 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.
 
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