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Census >ACS Home > Using the Data > Quality Measures > Sample Size - Data for United States

	Quality Measures - Main Sample Size: Data | Definitions Coverage Rates: Data | Definitions Response Rates: Data | Definitions    Item Allocation Rates: Data | Definitions				Select a State United States All States 2008 All States 2007 All States 2006 All States 2005 All States 2004 All States 2003 All States 2002 All States 2001 All States 2000 Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware D.C. Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Puerto Rico
	United States    Sample Sizes - Initial Addresses and Sample Selected and Final Interivews     Housing Units   Group Quarters People   Year Initial Addresses Selected   Final Interviews   Initial Sample Selected   Final Interviews   United States 2008 2,894,711   1,931,955   186,862   145,974   United States 2007 2,886,453   1,937,659   187,012   142,468   United States 2006 2,885,384   1,968,362   189,641   145,311   United States 2005 2,922,656   1,924,527   N/A   N/A   United States 2004 838,293   568,966   N/A   N/A   United States 2003 828,590   572,447   N/A   N/A   United States 2002 742,409   512,768   N/A   N/A   United States 2001 858,058   601,875   N/A   N/A   United States 2000 890,698   587,519   N/A   N/A

Source: U.S. Census Bureau  |  American Community Survey Office  |  Page Last Modified: September 21, 2009