The total costs of Hurricane Katrina amounted to 125 billion U.S. dollars at the time the disaster occurred in 2005. While this is around the same total cost as Hurricane Harvey, when adjusted for inflation, the former is more expensive, with the price being the equivalent of 201.3 billion U.S. dollars in 2024 (compared to 160 billion U.S. dollars for Hurricane Harvey).
Hurricane Katrina
Hurricane Katrina struck Louisiana on August 9, 2005 and displaced hundreds of thousands of people from their homes in Louisiana, Mississippi and Alabama. The death toll reached almost 2,000 people. Katrina was also the most expensive U.S. catastrophe since 1992 in terms of property loss.
Harvey, Maria and Irma
Katrina was responsible for the spike in insured losses caused by natural disasters globally in 2005. Harvey, Maria and Irma also made quite the impact in 2017 when they hit central America and then made land on the U.S. Gulf Coast. The frequency and intensity of such natural disasters are increasing.
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National Oceanic and Atmospheric Administration. (July 29, 2025). Most expensive natural disasters in the United States as of December 2024 (in billion U.S. dollars) [Graph]. In Statista. Retrieved May 08, 2026, from https://www.statista.com/statistics/744015/most-expensive-natural-disasters-usa/
National Oceanic and Atmospheric Administration. "Most expensive natural disasters in the United States as of December 2024 (in billion U.S. dollars)." Chart. July 29, 2025. Statista. Accessed May 08, 2026. https://www.statista.com/statistics/744015/most-expensive-natural-disasters-usa/
National Oceanic and Atmospheric Administration. (2025). Most expensive natural disasters in the United States as of December 2024 (in billion U.S. dollars). Statista. Statista Inc.. Accessed: May 08, 2026. https://www.statista.com/statistics/744015/most-expensive-natural-disasters-usa/
National Oceanic and Atmospheric Administration. "Most Expensive Natural Disasters in The United States as of December 2024 (in Billion U.S. Dollars)." Statista, Statista Inc., 29 Jul 2025, https://www.statista.com/statistics/744015/most-expensive-natural-disasters-usa/
National Oceanic and Atmospheric Administration, Most expensive natural disasters in the United States as of December 2024 (in billion U.S. dollars) Statista, https://www.statista.com/statistics/744015/most-expensive-natural-disasters-usa/ (last visited May 08, 2026)
Most expensive natural disasters in the United States as of December 2024 (in billion U.S. dollars) [Graph], National Oceanic and Atmospheric Administration, July 29, 2025. [Online]. Available: https://www.statista.com/statistics/744015/most-expensive-natural-disasters-usa/