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    U.S. CENSUS GLOSSARY

 #  A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z  

Parish
A type of governmental unit that is the primary legal subdivision of Louisiana, similar to a county in other states.

Related term:
County and equivalent entity

Part
When appearing in parenthesis after a geographic name, such as "Houston city (part)", this term indicates that only a portion of the named geography is represented. The full name reveals the geographic context which produced the part, such as "Houston city (part), Harris County, Texas", indicating that the only the portion of Houston city within Harris County is represented.

Parts can result when two or more geographic types that do not have a hierarchical relationship (e.g., county and place) are crossed against each other to produce a new geographic type. That new geographic type contains the phrase "(or part)" to indicate the crossing of hierarchies (e.g., State-County-Place (or part))

People in family
Total number of people living in one household and related to the householder.

Related terms:
Family, Household

People in household
Total number of people living in one housing unit.

Related terms:
Household, Housing unit

Per capita income
Average obtained by dividing aggregate income by total population of an area.

Percentage
This measure is calculated by taking the number of items in a group possessing a characteristic of interest and dividing by the total number of items in that group, and then multiplying by 100.

Related term:
Derived measures

Period of military service
These periods represent officially recognized time divisions relating to wars or to legally-relevant peacetime eras. The data pertain to active-duty military service. In most tabulations of these data, people serving in combinations of wartime and peacetime periods are classified in their most recent wartime period.

Related term:
Veteran status

PHC-1 tables
These are Census 2000 Summary Population and Housing Characteristics tables, a publication series which includes information on the 100-percent population and housing subjects. The data are available for the United States, regions, divisions, states, counties, county subdivisions, places, metropolitan areas, urbanized areas, American Indian and Alaska Native areas, and Hawaiian homelands. The series is comparable to the 1990 CPH-1 report series, Summary Population and Housing Characteristics. The series is available in printed form and on the Internet in PDF format.

Place
A concentration of population either legally bounded as an incorporated place, or identified as a Census Designated Place (CDP) including comunidades and zonas urbanas in Puerto Rico. Incorporated places have legal descriptions of borough (except in Alaska and New York), city, town (except in New England, New York, and Wisconsin), or village.

Related terms:
Census designated place (CDP), City, Comunidad, Incorporated place, Town, Zona urbana

Place of birth
The U. S. state or foreign country where a person was born. Used in determining citizenship.

Related terms:
Citizenship status, Foreign born, Native population

Plumbing facilities
The data on plumbing facilities were obtained from both occupied and vacant housing units. Complete plumbing facilities include: (1) hot and cold piped water; (2) a flush toilet; and (3) a bathtub or shower. All three facilities must be located in the housing unit.

Population
All people, male and female, child and adult, living in a given geographic area.

Related terms:
Apportionment population, Resident population

Population density
Total population or number of housing units within a geographic entity (for example, United States, state, county, place) divided by the land area of that entity measured in square kilometers or square miles. Density is expressed as both "people (or housing units) per square kilometer" and "people (or housing units) per square mile" of land area.

Population estimate (Population Estimates Program)
The Census Bureau's Population Estimates Program (PEP) produces July 1 estimates for years after the last published decennial census (2000), as well as for past decades. Existing data series such as births, deaths, Federal tax returns, Medicare enrollment, and immigration, are used to update the decennial census base counts. POP estimates are used in Federal funding allocations, in setting the levels of national surveys, and in monitoring recent demographic changes.

Related terms:
Estimates base (Population Estimates Program), Population projections

Population projections
Estimates of the population for future dates. They illustrate plausible courses of future population change based on assumptions about future births, deaths, international migration, and domestic migration. Projections are based on an estimated population consistent with the most recent decennial census as enumerated. While projections and estimates may appear similar, there are some distinct differences between the two measures. Estimates usually are for the past, while projections typically are for future dates. Estimates generally use existing data, while projections must assume what demographic trends will be in the future. For more information: http://www.census.gov/population/www/projections/aboutproj.html

Related term:
Population estimate (Population Estimates Program)

Portable Document File (PDF)
A type of computer file that looks the same on the screen and in print, regardless of what kind of computer or printer is being used, and what kind of software package was originally used to create it.

Most American FactFinder technical documentation is available in PDF format.

Poverty
Following the Office of Management and Budget's (OMB's) Directive 14, the Census Bureau uses a set of money income thresholds that vary by family size and composition to detect who is poor. If the total income for a family or unrelated individual falls below the relevant poverty threshold, then the family or unrelated individual is classified as being "below the poverty level."

Related term:
Income

Primary metropolitan statistical area (PMSA)
A geographic entity defined by the federal Office of Management and Budget for use by federal statistical agencies. If an area meets the requirements to qualify as a metropolitan statistical area and has a population of one million or more, two or more PMSAs may be defined within it if statistical criteria are met and local opinion is in favor. A PMSA consists of one or more counties (county subdivisions in New England) that have substantial commuting interchange. When two or more PMSAs have been recognized, the larger area of which they are components then is designated a consolidated metropolitan statistical area.

Related terms:
Consolidated metropolitan statistical area (CMSA), Metropolitan statistical area (MSA)

Privacy Act
A 1974 act that places restrictions on the collection, use, maintenance, and release of information about individuals. It gives individuals the right to see records about themselves, to obtain copies of their records, to have records corrected or amended with Census Bureau approval, and to have a statement of disagreement filed in their records if the Census Bureau does not approve the correction or amendment.

Product Quick Report
Data for this report are collected by the Economic Census. The report displays both "industry by product" and "product by industry" statistics for the United States and states.

Products
This term is used in two ways in FactFinder:

- to refer to data products produced by the Census Bureau which present statistics and/or maps about the subjects covered in the various censuses and surveys conducted by the Bureau. These products can be in a variety of media: printed reports, CD-ROM, DVD, or on the internet;

- to refer to the products produced by manufacturing or mining, as well as retail and wholesale trade industries in the context of the1997 economic census.

Public Law 103-430 (P.L. 103-430)
The public law that amends Title 13, U.S. Code, to allow designated local and tribal officials access to the address information in the master address file to verify its accuracy and completeness. This law also requires the U.S. Postal Service to provide its address information to the Census Bureau to improve the master address file.

Related term:
Census (decennial)

Public Law 105-119 (P.L. 105-119)
A law enacted in 1997 which requires the Census Bureau to make publicly available a second version of decennial census data that does not include statistical correction for overcounts and undercounts measured in the Accuracy and Coverage Evaluation.

Related terms:
Apportionment, Census (decennial), Reapportionment, Redistricting

Public Law 94-171 (P.L. 94-171)
Public Law (P.L.) 94-171, enacted in 1975, directs the Census Bureau to make special preparations to provide redistricting data needed by the fifty states. Within a year following Census Day, the Census Bureau must send the data agreed upon to redraw districts for the state legislature to each state's governor and majority and minority legislative leaders.

To meet this legal requirement, the Census Bureau set up a voluntary program that enables participating states to receive data for voting districts (e.g., election precincts, wards, state house and senate districts) in addition to standard census geographic areas such as counties, cities, census tracts, and blocks.

Related terms:
Apportionment, Census (decennial), Census day, Reapportionment, Redistricting

Public Use Microdata Area (PUMA)
An area that defines the extent of territory for which the Census Bureau tabulates public use microdata sample (PUMS) data.

Public Use Microdata Sample (PUMS) files
Computerized files containing a small sample of individual records, with identifying information removed, from the census long form and from the American Community Survey showing the population and housing characteristics of the people included on those forms.

Puerto Rico
The U.S. Census Bureau treats the Commonwealth of Puerto Rico as the equivalent of a state for data presentation purposes. Puerto Rico is divided into legal government municipios, which are statistically equivalent to counties.

Related term:
Censo 2000 Puerto Rico en Español













http://www.allcountries.org/uscensus/ glossary_p.html

These tables are based on figures supplied by the United States Census Bureau, U.S. Department of Commerce, and they are subject to revision by the Census Bureau.

Copyright © 2006 Photius Coutsoukis and Information Technology Associates, all rights reserved.