Post on 19-Jan-2016
description
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Using the American Community Survey with American Factfinder
CTPP Webinar Dec 2, 2008
Melissa Chiu, CTPP CoordinatorJourney to Work and Migration Statistics
Housing and Household Economic Statistics DivisionU.S. Census Bureau
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ACS Data Release Schedule
Data products are released in the year following the single year or multiyear period in which data are collected.
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Web Site Improvements Training
New and revised content on ACS web site– ACS Compass Series: Understanding the
the ACS (UTACS) Handbooks– Tutorials and Powerpoint slides– www.census.gov/acs/www/UseData/Compass/compass_series.html
Train the Trainer workshops at SDCs, regional offices, etc.
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Data User Education: Target Audiences for ACS Compass and Other Materials
General Users
Businesses
High School Teachers
Media
Congressional Staff
State & Local Governments
Federal Agencies
Researchers
Rural Areas
PUMS Users
American Indians / Alaska Natives
PRCS (in Spanish)
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Information about the American Community Survey
www.census.gov/acs/Subscribe to the
ACS Alert
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Organization of ACS Data in the American FactFinder
1-year and 3-year data products distinguished
Once 3-year products are released, those represent the default ACS products.
Assistance links highlighted
Users can select other data sets
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Journey-to-Work ACS Data
No changes in questions or response categories from 2005 to 2009 data years
No changes in data products between– 2006 and 2007 single-year– 2005-to-2007, 2006-to-2008, 2007-to-2009
multiyear – 2005-to-2009 multiyear
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Journey-to-Work ACS Data Products
Data products and prefixes B Base Detailed Table
C Collapsed Detailed Table
S Subject Table
R Ranking Table
GCT Geographic Comparison Table
M Thematic Map
Commuting products are numbered “08” Example: B08xxx is a Base Table on commuting
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Journey-to-Work ACS Data Products
Detailed Table examples:Means of transportation by worker
characteristicsTravel time by time leaving home Place of work for metropolitan, micropolitan,
and non-metro/micro levelsVehicles available in household
Majority of tables available at both residence and workplace geography
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Journey-to-Work ACS Data Products
Subject Tables same information as Detailed Tables but more user friendly format
Examples:Commuting characteristics by sex
Means of transportation to work by selected characteristics, at residence and at workplace geography
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Journey-to-Work ACS Data Products
Ranking Tables rank states for one measure:
Mean travel time to work
Percent of workers who traveled to work …
by car, truck, or van alone
by carpool
by public transportation
Percent of workers who worked outside county of residence
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Journey-to-Work ACS Data Products
Geographic Comparison Tables cover same measures as Ranking Tables but for more geographies
Examples: Mean travel time to work for counties by U.S. state
Percent of workers who traveled to work by carpool by place by U.S. state
Percent of workers who worked outside county of residence by urban / rural, metropolitan and micropolitan area status
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Journey-to-Work ACS Data Products
Thematic Maps allow users to design own maps of same measures as Ranking Tables
Can determine… Data classes: number and breaksBoundaries and features Level of geography
- State- County - Congressional district - Metropolitan/ micropolitan statistical area- Public Use Microdata Area (PUMA)
Data Products- American FactFinder factfinder.census.gov
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Select Dataset and Product Type
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List all Tables- Select “08” Products
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Select Geography
Many ways to select geography
Geography is hierarchical: First select type of geography,then specific area.
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Subject Table- Example
Click “Data Sets” to change data product
Change year,
geography, subject
table
Print, download, save or load a query
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Detailed Table- Example
Can select multiple areas for detailed tables
Select geo type, e.g. urban, rural, metro, principal city
Change to collapsed version
Can select multiple detailed tables too (scroll down)
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Detailed Tables- Geo Components
Click Next to see other geographies selected
Download to get all geographies and tables at once
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Download- Example
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Ranking Table- Example
Can sort by rank or by state
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Geographic Comparison Table- Example
Geographies or geo componentswithin nation or state only
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Thematic Map- Example
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Other Options in AFF
Can create “Custom table” from the detailed tables
Can “Download PUMS data” file for microdata
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U. S. Census Bureau
Melissa Chiu, CTPP Coordinator
Journey-to-Work & Migration Statistics Branch
Melissa.C.Chiu@census.gov
301-763-2454, 2421