Data Access and Dissemination System (DADS) An electronic system for access and dissemination of Census Bureau data, now called the American FactFinder. Related term: American FactFinder (AFF) Decennial Occurring or being done every 10 years. Decennial census The census of population and housing, taken by the Census Bureau in years ending in 0 (zero). Article I of the Constitution requires that a census be taken every ten years for the purpose of reapportioning the U.S. House of Representatives. Title 13 of the U. S. Code provides the authorization for conducting the census in Puerto Rico and the Island Areas. Related terms: Apportionment, Reapportionment, Redistricting, Title 13 (U.S. Code) Demographic profile A profile includes tables that provide various demographic, social, economic, and housing characteristics for the U.S., regions, divisions, states, counties, minor civil divisions in selected states, places, metropolitan areas, American Indian and Alaska Native areas, Hawaiian home lands and congressional districts. It includes 100-percent and sample data from the decennial censuses. It also is available on CD-ROM. There are five tables in the Demographic Profile, labeled (DP-1 thru DP-5). For Census 2000 data, the DP-1 table will be available as part of the Summary File 1, and the other four tables will available as part of the Summary File 3 data set. Related terms: Geographic comparison tables (GCT), Quick tables (QT) Derived measures Census data products include various derived measures, such as medians, means, and percentages, as well as certain rates and ratios. Derived measures that round to less than 0.1 are not shown but indicated as zero. Related terms: Mean, Median, Percentage Detailed Tables (DT) Tables from summary files that provide the most detailed data on all topics and geographic areas from the decennial censuses and the American Community Survey. Tables include totals and subtotals. Users may choose more than one geographic area and more than one table that display in a scrolling list, but only what displays on the width of the screen will print. Census 2000 detailed tables are identified and labeled using established guidelines. Table identification begins with a letter that refers to the type of data in the table, and then a number is assigned sequentially as the tables are produced. Tables labeled: ‘P’ are population tables; ‘H’ are housing tables; ‘PCT’ are population tables that cover geographies to the census tract level; ‘PL’ are tables derived from the Redistricting Data (P.L. 94-171) Summary File. For example, ‘Table P12. Sex by Age‘ is a population table with the sequential number, ‘12’. Related terms: American Community Survey (ACS), Summary file (SF) Disability A long-lasting physical, mental, or emotional condition. This condition can make it difficult for a person to do activities such as walking, climbing stairs, dressing, bathing, learning, or remembering. This condition can also impede a person from being able to go outside the home alone or to work at a job or business. Disclosure avoidance Statistical methods used in the tabulation of data prior to releasing data products to ensure the confidentiality of responses. Related term: Confidentiality edit Division A grouping of states within a census geographic region, established by the Census Bureau for the presentation of census data. The current nine divisions are intended to represent relatively homogeneous areas that are subdivisions of the four census geographic regions. New England Division: Maine, Vermont, New Hampshire, Massachusetts, Connecticut, Rhode Island Middle Atlantic Division: New Jersey, New York, Pennsylvania South Atlantic Division: Maryland, Delaware, West Virginia, Virginia, North Carolina, South Carolina, Georgia, Florida East South Central Division: Kentucky, Tennessee, Alabama, Mississippi West South Central Division: Oklahoma, Arkansas, Texas, Louisiana East North Central Division: Wisconsin, Michigan, Ohio, Indiana, Illinois West North Central Division: North Dakota, South Dakota, Nebraska, Kansas, Missouri, Iowa, Minnesota Mountain Division: Idaho, Montana, Wyoming, Colorado, Utah, Nevada, Arizona, New Mexico Pacific Division: Washington, Oregon, California, Alaska, Hawaii Puerto Rico and the Island Areas do not belong to any division. Related Term: Region
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