Census Data for Transportation Planning
Census Adjustments


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Adjustment
There has been a great debate over the issue of adjusting the US Census data for under/over estimates of the population.  Below are several links to adjusted data and other relevant information.  As one of our ListServe participants pointed out "that both officially and statistically these data are neither "corrected" data nor "more accurate" data than the data released to the public by the Census Bureau.  It is misleading to less informed data users to suggest that these data are somehow better than the official Census 2000 data.  These data were not used by the Census Bureau as it was concluded that there was more "noise" added to the tabulations (by their prospective use) than improvement of accuracy."

1990 Census: Official (Unadjusted) and Adjusted Population

Census 2000 Court Case

ProximityOne.com analysis of Adjusted Census data

Adjusted 2000 Census Data, All States (UCLA)

Adjusted Census Data, California only (UCBerkeley)

Online Mapping of 2000 Adjusted Data (Caliper)

Census Bureau Information on Accuracy and Adjustments

Census Website on Accuracy and Coverage Evaluation Program


Page last updated: April 18, 2003
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