This blog-style site was created last winter to accompany a landmark moment in U.S. population statistics: the full transition from the "long form" of the decennial census to the American Community Survey (ACS), a rolling sample survey that now provides the "additional" demographic data government planners need. This valuable explanation of the ACS is part of a comprehensive explanation of the Census in a new encyclopedia published by CQ Press in October 2011. © CQ Press 2011
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From American Community Survey: Using Multi-Year Estimates by Graham Kalton and Constance F. Citro