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 Hurricane Katrina displaced over one million Louisiana residents -- an estimated 277,000 did not come back to resettle.
Threatened by one of the most destructive and influential storms in United States history, those living in the path of Hurricane Katrina fled to every state in the country, with many unable to return home to Louisiana after the storm left. This map, which uses data from the 2006 American Community Survey, presents a good, but imperfect illustration of where evacuees ended up by showing where residents who lived in Louisiana in 2005 moved to as of 2006. Click on each state for details.
Data Sources: 2006 American Community Survey 1-year Estimates, State-to-State Migration Flows, NHC, NOAA, NWS.
 Katrina flooded 80% of New Orleans, resulting in $135 billion in damages.
Swipe the divider to see where water settled following Katrina. Note that the actual flooding extent went beyond these dark areas before water levels reached equilibrium. The storm destroyed numerous levees and other flood-prevention features guarding the city -- click on each point for details.  Imagery Sources: NASA Earth Observatory, NOAA National Geodetic Survey 
10,317 buildings were tagged for demolition by the city of New Orleans.
Following Hurricane Katrina, all properties within the city were reviewed for damage under Section 106 of the National Historic Preservation Act. This heat map shows the density of houses that were deemed eligible for federally-funded demolition through FEMA. Although not all properties on this map were demolished, the points illustrate Katrina's extensive and pervasive physical toll on the city of New Orleans.
Zoom in and click on the points to see specific data about each tagged site.  Data Source: FEMA dataset collection following Hurricane Katrina and transferred to CNO/SHPO
From 2000 and 2010, the population of New Orleans decreased by 29%.
2000 total population: 484,674
- 325,947 African Americans - 135,956 Whites - 14,826 Latinos/Hispanics
2010 total population: 343,829
- 206,871 African Americans (37% loss)
- 113,428 Whites (17% loss) - 18,051 Latinos/Hispanics (22% gain)
Predominantly Black neighborhoods suffered the most damage and lost the most residents following Hurricane Katrina. The city did see a notable influx of Latino immigrants, who provided an important labor force in the city's revitaliztion and restoration. Click on each neighborhood for a racial breakdown of population shifts.
Current estimates place the 2015 population of New Orleans at about 380,000 residents, 100,000 fewer than who lived there in 2000, but around 40,000 more than in 2010.
Data Source: The Data Center analysis of data from U.S. Census 2000 Summary File 1 (SF1) and U.S. Census 2010 Summary File 1 (SF1)
 As of 2015, New Orleans has recovered 89.3% of houses that were actively receiving mail before the levees failed,
and 40 out of 72 neighborhoods have restored over 90% of these homes. Postal data provides a great marker to track life and activity around New Orleans. In nearly every neighborhood, the amount of houses actively receiving mail has steadily increased year-over-year since 2008. Click on each neighborhood for details. 
Data Source: The Data Center analysis of Valassis Residential and Business Database
The city of New Orleans divides itself into 13 planning districts and 72 neighborhood statistical areas. Although Hurricane Katrina affected the entire city, areas such as Mid-City, New Orleans East, Gentilly, the Lower Ninth Ward, Bywater, and Lakeview endured the most intense damage.
Data Source: City of New Orleans GIS Department |
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