Source: U.S. Census Bureau, 2000 Census of Population, Profiles of General Demographic Characteristics. Updated every 10 years. http://factfinder.census.gov.
Definition:
Sex classification is based on self-classification by gender, either male or female.
The number of females is expressed as a percent of the total population.
Scope and Methodology:
These data were derived from answers to a question that was asked of all people in Census 2000.
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