United States Census of 2000

United States Census of 2000
Name	United States Census of 2000
Country	United States
Authority	United States Census Bureau
Date	April 1, 2000
Population	281421906
Percent change	13.2%
Previous	1990 United States census
Next	2010 United States census

United States Census of 2000 was the twenty-second decennial Census carried out by the United States Census Bureau on April 1, 2000. It produced the most detailed nationwide counts since the United States Census of 1990 and provided baseline data used by the United States House of Representatives, United States Department of Commerce, and numerous state governments for reapportionment, redistricting, and federal funding allocation. The census findings influenced policies across institutions such as the Supreme Court of the United States, Internal Revenue Service, Social Security Administration, and various state legislatures.

Background and Preparations

Planning for the 2000 enumeration involved coordination among agencies including the United States Department of Commerce, the United States Census Bureau, and the Office of Management and Budget. Preparatory activities referenced lessons from the United States Census of 1990, incorporated recommendations from the National Academy of Sciences, and responded to legal frameworks like the Apportionment Act of 1790 history and precedents set by the Reapportionment Act of 1929. Outreach campaigns partnered with organizations such as the American Library Association, National Association for the Advancement of Colored People, and League of Women Voters to improve participation in communities from New York City to Los Angeles and territories including Puerto Rico and Guam. Technology procurement involved vendors with ties to firms implicated in prior procurement debates resolved in venues such as the United States Court of Appeals for the D.C. Circuit.

Methodology and Data Collection

The 2000 census employed short-form questionnaires mailed to households, supplemented by field follow-up conducted by enumerators from the United States Census Bureau. Methodological design referenced sampling debates from cases like Department of Commerce v. United States House of Representatives and consultative reports involving the National Research Council and the American Statistical Association. Data collection combined mail returns, in-person interviews, and coverage-improvement operations modeled after techniques used in the 1990 United States census, with additional testing informed by pilot studies in cities such as Chicago, Houston, Philadelphia, and Phoenix. Geographic frameworks used for enumeration relied on the Federal Information Processing Standard and coordination with the Bureau of Land Management and United States Geological Survey for boundary delineation.

Population and Demographic Results

The census reported a resident population of 281,421,906, marking a 13.2% increase over the 1990 United States census. Detailed tables covered characteristics including age, sex, race, and Hispanic or Latino origin, informing analyses by the Brookings Institution, Pew Research Center, and academic centers at Harvard University, Stanford University, University of California, Berkeley, and University of Michigan. Major metropolitan areas such as New York City, Los Angeles, Chicago, Dallas, and Houston were focal points for demographic shifts, while states including California, Texas, Florida, and New York saw significant population changes affecting seats in the United States House of Representatives. The count influenced litigation and policy in circuits including the United States Court of Appeals for the Second Circuit and the United States District Court for the District of Columbia.

Housing and Geographic Statistics

Housing-unit counts, vacancy rates, and household composition statistics were central outputs used by agencies like the Department of Housing and Urban Development and municipal governments in San Francisco, Seattle, Atlanta, and Miami. Geographic products such as TIGER/Line files supported redistricting efforts undertaken by state bodies including the California Citizens Redistricting Commission and the Texas Legislative Council. Data on urbanized areas, census tracts, and block groups informed planning by organizations like the American Planning Association and academic research at institutions such as Massachusetts Institute of Technology and Columbia University.

Impact, Controversies, and Legal Issues

The 2000 census generated debate over sampling, statistical adjustment, and undercounting of minority populations with advocacy from groups including the National Urban League and the Asian American Legal Defense and Education Fund. Legal challenges echoed precedents from Department of Commerce v. United States House of Representatives and reached courts such as the Supreme Court of the United States in adjacent disputes over apportionment methodology. Privacy concerns prompted scrutiny from the Electronic Frontier Foundation and policy reviews within the Office of Management and Budget, while litigation involving contractors or procurement practices involved forums like the United States Court of Federal Claims.

Use and Applications of the Data

Data from the census guided reapportionment of the United States House of Representatives, informed redistricting by state legislatures and commissions in states such as Ohio, Pennsylvania, North Carolina, and Virginia, and influenced federal funding formulas applied by the Centers for Medicare & Medicaid Services, Federal Highway Administration, and Head Start programs. Researchers at institutions like the National Institutes of Health, Johns Hopkins University, and Yale University used the data for public-health, urban studies, and socio-economic research. Private-sector applications included market analyses by firms including McKinsey & Company and Deloitte, while nonprofit planning used the figures in program design by organizations such as United Way and Habitat for Humanity.

Category:United States census