Hurricane Katrina caused approximately 1,833 deaths in total. The majority of the fatalities occurred in Louisiana, with the death toll in the state ranging from around 986 to 1,577 depending on sources, and about 238 deaths in Mississippi. The hurricane was particularly deadly in New Orleans, where over 1,400 people died, many from drowning due to levee breaches and flooding. The overall estimates range between about 1,245 to 1,836 deaths across all affected areas, with some discrepancy due to missing persons and indirect causes. Most sources agree on a total death toll around 1,800.