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2011 Tornadoes

Birmingham-Tuscaloosa, Alabama EF-4 Tornado: April 27, 2011

More than 36,000 people residing in 831 census blocks were directly impacted by the EF-4 tornado that traveled for more than 80 miles in central Alabama on April 27, 2011. The census blocks that intersected the tornado damage swath, as identified by the National Weather Service, contained a 2010 Census population count of 36,629 as the tornado moved northeast through the cities of Tuscaloosa and Birmingham. (See table. [XLS])

According to the latest Census Bureau statistics, the median housing value for owner-occupied homes for the city of Tuscaloosa, Ala., was $154,300. The median household income was $35,304. About 28 percent of the population lived in poverty. These data come from the 2009 American Community Survey 1-year estimates.

For current information on the EF-4 Birmingham-Tuscaloosa Tornado, please visit the Central Alabama Tornado Event Summary at the Birmingham National Weather Service website: http://www.srh.weather.gov/bmx/?n=event_04272011.

To find additional statistics from theApril 25-28, 2011, Tornado Outbreak, please visit the National Oceanic and Atmospheric Administration's April 2011 tornado information page at http://www.noaanews.noaa.gov/april_2011_tornado_information.html.

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Joplin, Missouri EF-5 Tornado: May 22, 2011

More than 20,000 people residing in 659 census blocks were directly impacted by the EF-5 tornado that traveled for more than 22 miles in southwestern Missouri on May 22, 2011. The census blocks that intersected the tornado damage swath, as identified by the National Weather Service, contained a 2010 Census population count of 20,820 as the tornado moved east through the city of Joplin.(See table. [XLS])

According to the latest Census Bureau statistics, the median housing value for owner-occupied homes for the city of Joplin, Mo., was $94,000. The median household income was $36,459. Nearly 18 percent of the population lived in poverty. These data come from the 2007-2009 American Community Survey 3-Year Estimates.

For current information on the EF-5 Joplin Tornado, please visit the Joplin Tornado Event Summary at the Springfield National Weather Service website: http://www.crh.noaa.gov/sgf/?n=event_2011may22_summary.

To find additional statistics from the April 25-28, 2011, Tornado Outbreak, please visit the National Oceanic and Atmospheric Administration's April 2011 tornado information page at <http://www.noaanews.noaa.gov/april_2011_tornado_information.html>.

A census block is the smallest unit of geography for which the Census Bureau provides decennial census data and is bounded by visible features, such as streets, roads, streams, and railroad tracks, and by nonvisible boundaries, such as selected property lines and city, township, school district, and county limits and short line-of-sight extensions of streets and roads.


Source: U.S. Census Bureau | Census Data & Emergency Preparedness | Last Revised: May 24, 2013