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American Community Survey

The American Community Survey (ACS) is a new nationwide survey designed to provide communities a fresh look at how they are changing. It is a critical element in the Census Bureau's reengineered decennial census program. The ACS collects information such as age, race, income, commute time to work, home value, veteran status, and other important data. As with the 2010 decennial census, information about individuals will remain confidential.

The ACS collects and produces population and housing information every year instead of every ten years. About three million housing unit addresses are selected annually, from across every county in the nation. Collecting data every year provides more up-to-date information throughout the decade about the U.S. population at the local community level.

One-Year Estimates
Beginning with the 2005 ACS, and continuing every year thereafter, one-year estimates are available for geographic areas with a population of 65,000 or more. This includes the nation, all states and the District of Columbia, all congressional districts, approximately 800 counties, and 500 metropolitan and micropolitan statistical areas, among others.

Multiyear Estimates
In 2008, the ACS will release its first multiyear estimates based on ACS data collected from 2005 through 2007. These three-year estimates will be available for geographic areas with a population of 20,000 or more, including the nation, all states and the District of Columbia, all congressional districts, approximately 1,800 counties, and 900 metropolitan and micropolitan statistical areas, among others.

For areas with a population less than 20,000, five-year estimates will be available. The first five-year estimates, based on ACS data collected from 2005 through 2009, will be released in 2010.

(Taken from the ACS Homepage.)

• ACS Data Sets
  • Data is available for geographic areas with populations of 20,000 or more using the three year (2005-2007) estimates.
  • Data is available for geographic areas with populations of 65,000 or more using the one year (2007) estimates.

• 2007 Data Release Schedule

• How to Use the ACS