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Race
Race is a self-identification data item in which respondents choose the race or races with which they most closely identify.
For Census 2000:
In 1997, after a lengthy analysis and public comment period, the Federal Office of Management and Budget (OMB) revised the standards for how the Federal government would collect and present data on race and ethnicity. The new guidelines reflect "the increasing diversity of our Nation's population, stemming from growth in interracial marriages and immigration."
These new guidelines revised some of the racial categories used in 1990 and preceding censuses and allowed respondents to report as many race categories as were necessary to identify themselves on the Census 2000 questionnaire. Note that the full report is available at http://www.whitehouse.gov/omb/inforeg/race.pdf.
How the new guidelines affect Census 2000 results and the comparison with data from 1990:
Census 2000 race data are not directly comparable with data from 1990 and previous censuses. See the Census 2000 Brief, "Overview of Race and Hispanic Origin".
Race Alone categories (6):
Includes the minimum 5 race categories required by OMB, plus the 'some other race alone' included by the Census Bureau for Census 2000, with the approval of OMB.
White alone
Black or African-American alone
American Indian or Alaska Native alone
Asian alone
Native Hawaiian or other Pacific Islander alone
Some other race alone
Race Alone or in combination categories (63):
There will be other tabulations where 'race alone or in combination' will be shown. These tabulations include not only persons who marked only one race (the 'race alone' category) but also those who marked that race and at least one other race. For example, a person who indicated that she was of Filipino and African-American background would be included in the African-American alone or in combination count, as well as in the Asian alone or in combination count. The alone or in combination totals are tallies of responses, rather than respondents. So the sum of the race alone or in combination will add to more than the total population.
Some tabulations will show the number of persons who checked 'two or more races'.
In some tables, including the first release of Census 2000 information, data will be tabulated for 63 possible combinations of race:
6 race alone categories
15 categories of 2 races (e.g., White and African American, White and Asian, etc.)
20 categories of 3 races
15 categories of 4 races
6 categories of 5 races
1 category of 6 races
=63 possible combinations
Some tables will show data for 7 race categories: the 6 (mutually-exclusive) major race-alone categories (White, African-American, American Indian and Alaska Native, Asian, Native Hawaiian and Other Pacific Islander, and some other race) and a 'two or more races' category. The sum of these 7 categories will add to 100 percent of the population.
Related terms: Alaska Native race/ethnic categories, American Indian tribe/Selected American Indian categories, Asian, Native Hawaiian and Pacific Islander race and ethnic categories, Spanish/Hispanic/Latino
Rate
This is a measure of occurrences in a given period of time divided by the possible number of occurrences during that period.
Ratio
This is a measure of the relative size of one number to a second number expressed as the quotient of the first number divided by the second.
Reapportionment
The redistribution of seats in the U.S. House of Representatives among the several states on the basis of the most recent decennial census as required by Article 1, section 2 of the Constitution. Reapportionment does not affect Puerto Rico.
Related term: Apportionment
Redistricting
The process of revising the geographic boundaries of areas from which people elect representatives to the U.S. Congress, a state legislature, a county or city council, a school board, and the like, to meet the legal requirement that such areas be as equal in population as possible following a census.
Related terms: Apportionment, Voting District (VTD)
Redistricting Data Program
A decennial census program that permits state officials to identify selected map features they want as block boundaries and specific areas, such as voting districts, for which they need census data.
Related term: Voting district (VTD)
Reference map
A map that shows selected geographic boundaries with identifiers along with selected features of a geographic area.
Region
Four groupings of states (Northeast, South, Midwest, and West) established by the Census Bureau in 1942 for the presentation of census data.
Northeast Region: Maine, New Hampshire, Vermont, Massachusetts, Connecticut, Rhode Island, New Jersey, New York, Pennsylvania
South Region: Maryland, Delaware, West Virginia, Virginia, Kentucky, Tennessee, North Carolina, South Carolina, Georgia, Florida, Alabama, Mississippi, Arkansas, Louisiana, Oklahoma, Texas
Midwest Region: North Dakota, South Dakota, Nebraska, Kansas, Missouri, Iowa, Minnesota, Wisconsin, Illinois, Michigan, Indiana, Ohio
West Region: Washington, Idaho, Montana, Wyoming, Oregon, California, Nevada, Utah, Colorado, Arizona, New Mexico, Alaska, Hawaii
Puerto Rico and the Island areas are not part of any region.
Related term: Division
Related children
Includes all people in a household under the age of 18, regardless of marital status, who are related to the householder. Does not include householder's spouse or foster children, regardless of age.
Related terms: Child, Own children
Remainder
The portion of a geographic area of one geographic type (e.g., a county subdivision) which is not covered by any geographic area of a second geographic type (e.g., place). For example, the two places of Oak Ridge town and Old Appleton town exist within the county subdivision of Apple Creek township in Cape Girardeau County, Missouri, That portion of Adair township that is not covered by either place is called "Remainder of Adair township".
Rental vacancy rate
The proportion of the rental inventory which is vacant for rent. It is computed by dividing the number of vacant units for rent by the sum of the renter-occupied units and the number of vacant units for rent, and then multiplying by 100.
Related term: Homeowner vacancy rate, Renter-occupied housing unit
Renter-occupied housing unit
All occupied units which are not owner occupied, whether they are rented for cash rent or occupied without payment of cash rent, are classified as renter-occupied.
Related term: Owner-occupied housing unit
Residence 5 years ago
Indicates the area of residence 5 years prior to the reference date for those who reported that they lived in a different housing unit.
Related term: Migration
Resident population
Resident population of the United States includes persons resident in the 50 States and the District of Columbia. It excludes residents of the Commonwealth of Puerto Rico, and residents of the island areas under United States sovereignty or jurisdiction (principally American Samoa, Guam, Virgin Islands of the United States, and the Commonwealth of the Northern Mariana Islands). A resident of a specific area for Census 2000 is defined as a person "usually resident" in that area. Resident population excludes the United States Armed Forces overseas, as well as civilian United States citizens whose usual place of residence is outside the United States.
Related terms: Apportionment population, Population
Respondent
The person supplying survey or census information about his or her living quarters and its occupants.
Rural
Territory, population and housing units not classified as urban. "Rural" classification cuts across other hierarchies and can be in metropolitan or non-metropolitan areas.
Related terms: Metropolitan, Urban
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