Census Bureau Releases Estimates of Undercount and Overcount in the 2010 Census

The Census Bureau released its Census Coverage Measurement Estimation Report on May 22, 2012, which provides a measure of accuracy for the 2010 Census. This report includes estimates for undercounts and overcounts broken down by race and ethnicity, and compares these numbers against the 1990 and 2000 Censuses. According to the official press release:
“The 2010 Census undercounted 2.1 percent of the black population, which was not statistically different from a 1.8 percent undercount in 2000. In 2010, 1.5 percent of the Hispanic population was undercounted. In 2000, the estimated undercount of 0.7 percent was not statistically different from zero. The difference between the two censuses was also not statistically significant.”
These findings show a consistent undercounting of minorities throughout the United States “[b]ecause ethnic and racial minorities disproportionately live in hard-to-count circumstances,” according to U.S. Census Bureau Director Robert Groves.
Nationwide estimates for undercounts and overcounts are shown in the table below:

Source: Census Coverage Measurement Estimation Report: Summary of Estimates of Coverage for Persons in the United States http://2010.census.gov/news/pdf/g-01.pdf

The full press release can be viewed at the following link: http://www.census.gov/newsroom/releases/archives/2010_census/cb12-95.html
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