demographic analysis, provided the information needed to measure and evaluate the completeness of coverage of the census and to adjust the census count for the incomplete coverage if so desired. Although officially the census counts were not adjusted, these coverage evaluation measures are used in a number of ways in the postcensal estimates program.



This appendix is largely a rearrangement and extraction of material from Bureau of the Census (1991). See Citro and Cohen (1985: Chap. 3) for a description of the census process for the 1960, 1970, and 1980 censuses.


Type 2 district offices covered the balance of mail areas; Type 3 district offices covered the conventional list/enumerate areas.


Bureau of the Census 1991 Planning and Conducting the 1990 Decennial Census. June. Bureau of the Census, U.S. Department of Commerce, Washington, D.C.

Citro, C.F., and M.L. Cohen, eds. 1985 The Bicentennial Census: New Directions for Methodology in 1990. Panel on Decennial Census Methodology, Committee on National Statistics, National Research Council. Washington, D.C.: National Academy Press.

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