Transcript Document

Hands On
American FactFinder
Session Outline
• Short Background of Census
• Introduction American Factfinder (AFF) & American
Factfinder 2 (AFF2)
– Exercise & Discussions
• Introduction to American Community Survey (ACS)
– Exercise & Discussions
• Questions & Answers
Objectives
At the end of the session you will be able to
• Find AFF & AFF2
• Differentiate between the datasets in AFF & AFF2
• Conduct simple data searches in AFF & AFF2
• Make informed choices between datasets
Why have a Census?
• Defines our Congressional Representation.
• Defines federal funding levels for roads, public transportation,
and social services.
• The actual Enumeration shall be made within three Years after
the first Meeting of the Congress of the United States, and
within every subsequent Term of ten Years, in such Manner as
they shall by Law direct. - Source: US Constitution
Raw DataFinished Product
New & Legacy American
Factfinders
Current Coverage
American Factfinder
• American Community
Survey
• Census 1990
• Population Estimates
• Economic Census
• Annual Economic
Surveys
American Factfinder 2
• Census 2010
• Census 2000
• Census 2000
Conceptual Differences
American Factfinder
American Factfinder 2
• You tell it what you want
• It returns one or more tables
• It presents every table in the
system
• You tell it what you want and
non-matching tables are
filtered out
Pro
• Clear workflow
Con
• No guidance on what's
available in the system
Pro
• Some guidance on what's
available in the system
Con
• No clear workflow
Legacy AFF: Implied Workflow
New AFF: Guidance
Exercise & Discussion
Exercise
• Using Census 2000
• Use address search to find data for either your home or your
workplace and the table on travel time to work (P31)
• Refer to the handout for detailed instructions
Discussion For Each Group
• What worked well in this version of American Factfinder?
• What didn’t?
American Community Survey
(ACS)
• Allows for data collection between decennial census
• Collects information that used to be associated with the long
form
• 3 million housing unit addresses are selected annually, across
every county in the nation
• Estimates
o Single year estimates - populations of 65,000+
o 3-year estimates - 20,000+
o 5-year estimates - under 20,000
Census Geographies
New & Legacy American
Factfinders
ACS Walkthrough 1
ACS: Select Data Source
Select Version
ACS: Select City
ACS: Demographics
ACS: Margins of Error
ACS: St. Cloud, MN
2009
2007-2009
2005-2009
Exercise & Discussion
Exercise
• Starting in 2009 American Community Survey (one year
estimate), choose a place in any state.
• Compare the place's 1-year, 3-year, and 5-year estimates.
• Refer to the handout for detailed instructions
Discussion For Each Group
• Were the margins of sampling error large enough to make you
question the data?
• Were the margins of sampling error large enough to cancel out
any reported population increase or decrease?
Census 2010
• Now - 2010 Redistricting Data
• Summer 2011 - Summary File 1 (Race / Hispanic&Latino /
Select Population and Housing)
• Winter 2011/2012 - Summary File 2 (Detailed Population and
Housing)
• http://www.census.gov/population/www/cen2010/glance/
Thank You!
Amy West
• Data Services Librarian
• phone: (612) 625-6368
• email/IM: [email protected]
(Google)
• web: http://www2.lib.umn.edu/data
• del.icio.us: umdatalib
• Twitter: @amyewest
Kirsten Clark
• Government Information and
Regional Depository Librarian
• phone: 612-626-7520
• email/IM: [email protected]
(Google)
• web: http://govpubs.lib.umn.edu
• IM: [email protected]
• Twitter: @kjclark
Flickr Attributions
• Gotto, C. (2011). [keyboard cat]. Retrieved from
http://www.flickr.com/photos/threecheersformcr_xo/546353950
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