Overall, the Census showed that Louisiana’s population increased 1.4% between 2000 and 2010. As expected, the 2005 hurricanes (Katrina and Rita) initiated a significant outflow of population from Metro New Orleans – the city of New Orleans lost 29% of its population and now only has 344,000 residents. Jefferson Parish lost 5% of its population and now has 433,000. These population losses from the (formerly) two largest parishes now means that East Baton Rouge Parish, with 440,000, is the most populous parish in Louisiana.

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While the parishes (Orleans, St Bernard, Plaquemines, and Cameron) with the most significant hurricane damage lost between 14% and 47% of its people, the other story of the 2010 Census was the accelerated growth of New Orleans and Baton Rouge’s suburbs. Livingston and Ascension Parishes each saw a 40% growth in population over the last decade. St Tammany also continued to boom with 22% population growth, and Tangipahoa posted 20% growth. Below is a graphical depiction of the changes that have occured in each parish over the past decade:

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