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County Population Estimates by Age, Sex, and Race [United States]: 1991 (ICPSR 6426)

Principal Investigator(s): United States Department of Commerce. Bureau of the Census


This data collection includes estimates of the resident population of the 3,141 counties in the United States as defined in the 1990 Census. Data are grouped by five-year age category (ages 0-4, 5-9, etc.), sex, and modified race (white, Black, other) for 1991. These estimates were developed by extrapolating from modified 1990 Census files.

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Study Description


U.S. Dept. of Commerce, Bureau of the Census. COUNTY POPULATION ESTIMATES BY AGE, SEX, AND RACE [UNITED STATES]: 1991. Washington, DC: U.S. Dept. of Commerce, Bureau of the Census [producer], 1994. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1994.

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Scope of Study

Time Period:   

  • 1991

Date of Collection:   

  • 1990

Universe:    All counties in the United States as identified in the 1990 Decennial Census.

Data Type(s):    census/enumeration data


Data Source:

self-enumerated questionnaires


Original ICPSR Release:   1995-03-16


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