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An Overview: Census 2000 and Its Data Products

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An Overview: Census 2000 and Its Data Products Presentation derived from one by the US Census Bureau: Available at: http://www.census.gov/mso/www/pres_lib/index2.html – PowerPoint PPT presentation

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Title: An Overview: Census 2000 and Its Data Products


1
An OverviewCensus 2000 and Its Data Products
Presentation derived from one by the US Census
Bureau Available at http//www.census.gov/mso/ww
w/pres_lib/index2.html
2
The Decennial Census
  • Longest running federal data collection program
    in the United States (since 1790)
  • Census collects basic population counts as well
    as a wide variety of housing, household, and some
    basic economic data. (Plumbing data, too!!)
  • The census provides a snapshot of the US
    population at a certain time (say, the population
    in 2000).

3
Why is the Census So Important?
  • 1) Required by the ConstitutionIt is how we
    delineate local voting districts and districts
    for the House of Representatives in Congress
  • 2) Political PowerIt is how local redistricting
    for elected offices is done,
  • 3) Money, Money, and more Money!!! Estimated
    that over 200 billion will be distributed
    annually based upon 2000 Census data
  • 4) A Rich and Heavily Used Data SetThe data are
    used by planners, other local government
    officials, researchers, marketers, for a huge
    variety of things.

4
Census BIG Points
  • A wealth of data available through the Census.
  • Knowing where to get the data and what you are
    actually getting is the key.
  • It is best to have an idea of what you want
    before you attempt to go get the data. Blind
    searches usually lead to frustration.
  • A good understanding of the Census Bureau and
    Census data is a real planning skill.
  • The BIG Point Census data often represents the
    starting point for planning-related work. After
    acquiring Census data, only then is additional
    data gathered to build upon the general
    population, housing, and economic data the Census
    collects and makes available.

5
Census 2000Short Form and Long Form
Short form
Long form (1 in 6 HH)
6
Census 2000 Short Form Questionnaire
  • 7 Questions
  • Name
  • Sex
  • Age
  • Relationship
  • Hispanic Origin
  • Race
  • Owner/Renter Status

7
Census 2000 Long Form Questionnaire
  • Short Form Questions, Plus
  • Marital Status
  • Educational Attainment
  • Citizenship
  • How long in current residence
  • Where lived 5 years ago
  • Travel to work (how got there, commute time)
  • Employment data (income, type of work)
  • Building data (age, value, of rooms, plumbing)

8
Capturing Ethnicity
9
Changed Question on Race
10
Race and Ethnicity Tabulation Categories
  • Single-Race
  • Two or more races
  • All-Inclusive Race

11
Population by Race and Hispanic Origin
  • The six race alone groups and the two or more
    races group, when combined, add up to 100 percent
    of the population.

100 population
12
What Data Will Be Available?
  • 100 data or short-form information
  • Summary File 1
  • Summary File 2
  • Sample data or long-form information
  • Summary File 3
  • Summary File 4

13
Understanding the Summary Files
  • SF1 100 population and housing unit counts
    (basic population data)
  • SF2 More in-depth 100 population and housing
    unit data (tables with detailed race and
    ethnicity categories)
  • SF3 Sample data on population, housing, and
    socioeconomic characteristics
  • SF4 More in-depth sample data on population and
    housing (tables with detailed race and ethnicity
    categories)
  • Note These different files used to be called
    STFs for Summary tape files

14
Understanding the Summary Files
Planners/Demographers typically use these
15
Examples of SF1 Tabulations
  • P1 Total population
  • P3 Race
  • P8 Hispanic or Latino
  • P12 Sex by age (5-year groupings)
  • P14 Sex by age for the population under 20
    (single years of age)
  • P15 Households
  • P17 Average household size

16
SF1 RepeatingTabulations
5-year groupings
17
Sample Data Summary Files SF3
  • Summary File 3
  • Counts and cross tabulations of sample items
    (income, occupation, education, rent and value,
    vehicles available)
  • Lowest level of geography block group

18
Examples of SF3 Tabulations
  • P30 Means of Transportation to Work
  • P31 Travel Time to Work
  • P53 Median Household Income
  • P82 Per Capita Income
  • P87 Poverty Status by Age

19
Release of Census 2000 Products
  • December 31, 2000 -- Official State counts
  • April 1, 2001-- Redistricting counts
  • 2001-- Short-form (100) data products
  • 2002-- Long-form (sample) data products
  • All major products are out as of the end of 2003.

20
Census 2000 Gateway
21
File Transfer Protocol (FTP)
  • File Transfer Protocol (FTP)
  • For downloading complete dataset files
  • Available at http//ftp2.census.gov

22
Data Accessibility
  • WWW FTP CD-ROM/DVD
  • Difficulty Low High Low
  • Cost No No Yes
  • User Level All High All
  • Speed Variable Variable High
  • Connect Issues Possible Possible Unlikely
  • Download limits 5 MB None CD size
  • Graphical User Interface Yes None Yes

23
The Most Useful Census Population Web Sites for
Planners
Census Home http//www.census.gov Census 2000
Gatewayhttp//www.census.gov/main/www/cen2000.htm
l American Factfinder http//factfinder.census.go
v State/County Quickfactshttp//quickfacts.census
.gov/qfd/ 1990 Census Datahttp//www.census.gov/m
ain/www/cen1990.html Selected Historic
Datahttp//www.census.gov/population/www/censusd
ata/hiscendata.html
24
Cost of Census 2000 Products
  • Most information free through the Internet
    (www.census.gov)
  • Charges for detailed custom tabulations, CD-ROMs,
    printed reports, print on-demand
  • Census Bureaus Customer Service
    Center (301-763-INFO)

25
Other Sources of Census 2000 Information
  • State Data Centers
  • Census Information Centers
  • Depository Libraries
  • Census Bureau Regional Offices
  • www.census.gov/dmd/www/groupcnr.html
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