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The Geographic Support System Initiative will integrate improved address coverage, spatial feature updates, and enhanced quality assessment and measurement.
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Our researchers explore innovative ways to conduct surveys, increase respondent participation, reduce costs, and improve accuracy.
Our surveys provide periodic and comprehensive statistics about the nation, critical for government programs, policies, and decisionmaking.
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The Census Bureau's Director writes on how we measure America's people, places and economy.
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Profile America is a daily, 60-second feature that uses interesting vignettes for that day to highlight information collected by the Census Bureau.
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See what's coming up in releases and reports.
posted December 17, 2013
2008-2012 5-year estimates and 2012 ACS 1-year PUMS files released December 17
Block group estimates available only in the Summary File
Detailed American Community Survey tables for block groups will only be included in the Summary File product; they will not be published in American FactFinder. For more information, visit the Summary File page.
Need help accessing the Summary File? Watch our video on using the Summary File Retrieval Tool.
New topics available for small areas
Health insurance coverage, disability, marital history, VA service-connected disability status and rating, and year of naturalization are new topics available for small geographies. For more information on new tables, visit our 2012 Product Changes page.
Additional documentation released for data release and PUMS files
Accuracy of the Data has been released to help users with the release of 2008-2012 ACS 5-year estimates. In addition, the PUMS Estimates for User Verification, Accuracy of the PUMS and PUMS ReadMe has been released to help users with the release of the 2012 ACS 1-year PUMS files.
Try Census Explorer – a new interactive mapping tool
Census Bureau has released an interactive mapping tool using 2008-2012 ACS 5-year estimates. The new application allows users to map eight different social, economic and housing characteristics of their state, county or census tract, and to see how these areas have changed since the 1990 and 2000 censuses and the 2008-2012 ACS 5-year estimates.
2008-2012 ACS 5-year Narrative Profiles (BETA) are available
2008-2012 ACS 5-year Narrative Profiles (BETA) are available for state, county, place, Metropolitan/Micropolitan Statistical Area, ZIP Code Tabulation Area, American Indian Area/Alaska Native Area/Hawaiian Home Land and census tract. Narrative Profiles summarize many topics using nontechnical text and graphs.
Public Use Microdata Areas, Urban Areas and Urban/Rural are updated
All 2012 ACS data use the 2010 Census definitions for Public Use Microdata Areas (PUMAs), Urban Areas, and Urban/Rural. Get more details on the updates.
Census Tract numbering changes in Arizona and California
There are census tract numbering corrections and a change for 2010 Census tracts in Pima County, Arizona and Los Angeles County, California. Learn more about these changes.
posted December 10, 2013
ACS Release date for 2008-2012 ACS 5-year estimates and 2012 ACS 1-year PUMS files
The Census Bureau plans to release 2008-2012 ACS 5-year estimates and 2012 ACS 1-year PUMS files on Tuesday, December 17, 2013. For more information on the release schedule, visit 2012 ACS Release Schedule.
New tables for the 2008-2012 ACS 5-year release
Visit 2012 Product Changes for a list and description of new, modified and deleted tables.
Select documentation released for data release and PUMS files
Supporting documentation, including Instructions for Applying Statistical Testing, the Sequence Number and Table Number Lookup files for the ACS Summary File, and table shells have been released to help users prepare for the release of 2008-2012 ACS 5-year estimates.
In addition, supporting PUMS documentation for the 2012 ACS 1-year PUMS files has been released to help users prepare for the release.
Additional documentation will be released on December 17, 2013.
Updated ACS 5-year and Census 2000 SF3 Table Comparisons
Visit our ACS/Census 2000 Table Comparisons tool to find comparable tables between ACS 5-year estimates and Census 2000 SF3 detailed tables.
posted November 14, 2013
2010-2012 ACS 3-year estimates released November 14
New 3-Year Comparison Profiles
We are excited to announce the release of 3-year Social, Economic, and Housing Comparison Profiles. This first release of 3-year Comparison Profiles will give a side-by-side comparison of 2010-2012 ACS 3-year and 2007-2009 ACS 3-year estimates. The profiles also contain the statistical significance column that indicates if the estimates are statistically different (at the 90% confidence level). Access the 2010-2012 3-year Comparison Profiles on American FactFinder.
Data Profiles now available in the Application Programming Interface (API)
The 2010-2012 ACS 3-year Data Profiles have been added to the API. Learn more about the Census Bureau's API on the API Developers site.
Additional ACS brief Released
The Census Bureau has released Owner Housing Market Condition Measures: Recession and Post-Recession Comparison from 2007-2009 to 2010-2012. This report is a part of the American Community Survey Briefs series.
Summary File Released
The 2010-2012 ACS 3-Year Summary File has been released. The Summary File is a set of comma-delimited text files that contain all of the Detailed Tables for the ACS 3-year estimates.
Additional documentation released for data release
Accuracy of the Data documentation has been released to help users with the release of 2010-2012 ACS 3-year estimates.
posted November 7, 2013
New tables for the 2010-2012 ACS 3-year release
Learn more about new and modified tables in the 2012 Product Changes.
Select documentation released
Supporting documentation has been released to help users prepare for the release of the 2010-2012 ACS 3-year estimates. Additional documentation will be released on November 14, 2013.
Select Summary File materials released
Supporting materials for the 2010-2012 ACS 3-year Summary File have been released, including the technical document, table shells, and sequence/table number lookup. The 3-year Summary File on the FTP site and Summary File Retrieval Tool will be released on November 14, 2013.
2010-2012 ACS 3-year reference maps
These Reference Maps highlight areas that will be published in the 2010-2012 ACS 3-year data release.
posted October 23, 2013
Revised Release Schedule
Due to the recent lapse in federal funding, the ACS release schedule has been revised. The 2010-2012 ACS 3-year is now scheduled to be released on November 14, 2013. For more information on the updated release schedule, visit 2012 ACS Release Schedule.
posted September 19, 2013
2012 ACS 1-year estimates released September 19
The 2012 ACS data release marks the first time estimates based on 2010 Census definitions for Public Use Microdata Areas (PUMAs), Urban Areas, and Urban/Rural are available. In addition, data products for the 113th Congressional Districts are available. Learn more on the Geography page.
For the release of the 2012 ACS 1-year estimates, the Census Bureau produced reports for the American Community Survey Briefs series--short reports on specific topics based on newly released estimates.
Guidance on comparing the 2012 ACS 1-year estimates with Census 2000, 2011 ACS 1-year estimates, and 2010 Census by subject area is now available.
Delay in Narrative Profiles for Public Use Microdata Areas (PUMAs)
The 2012 ACS 1-year Narrative Profiles for PUMAs (summary level 795) will not be available in American FactFinder on September 19, 2013. They will be released on October 24, 2013.
posted September 12, 2013
New tables for the 2012 ACS 1-year release
Visit 2012 Product Changes for a list and description of new, modified, and deleted tables.
2012 ACS 1-year table shells
Table shells for the 2012 ACS 1-year estimates are available on the FTP site.
2012 ACS 1-year reference maps
These Reference Maps highlight areas that will be published in the 2012 ACS 1-year data release.
Select documentation released
Supporting documentation has been released to help users prepare for the release of the 2012 ACS 1-year estimates. Additional documentation will be released on September 19, 2013.
Select Summary File materials released
Supporting materials for the 2012 ACS 1-year Summary File have been released, including the technical document, table shells, and sequence/table number lookup. The 1-year Summary File on the FTP site and Summary File Retrieval Tool will be released on September 19, 2013.
posted August 6, 2013
The Census Bureau plans to release 2012 ACS 1-year estimates on Thursday, Sept. 19, 2013. For more information on the release schedule, visit 2012 ACS Release Schedule.
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