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U.S. Census Research Guide: 2020

The U.S. Census Bureau conducts several data collection programs about the U.S. population which have their own language, geography, and data portals. This guide is based on a similar guide created by Kelly Smith at UCSD.

2020 Census Highlights

Highlights of the 2020 Census

  • 24th decennial census
  • US population: 331,449,281
    • The resident population increased by 22,703,743 or 7.4% from 308,745,538 in 2010.
  • Illinois population: 12,822,739 
    • Illinois will have 17 Representatives in the U.S. House of Representatives, which is 1 less than allocated by the 2010 Census.
    • Redistricting in the states will occur 2021-22; Elections using the new Congressional district boundaries will be held Fall 2022; The 118th Congress members will be sworn in January 2023 (2023-24).
  • Conducted during the COVID-19 Pandemic

Census 2020: Conducting the Count

Census 2020: Data Releases

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