Whats the elevation of New Orleans?

The elevation of New Orleans is really low. There are areas that are below sea level and others that are above sea level. It depends where you are inside the levee system in New Orleans.

The parts nearest the levees, lake and river, are usually the highest and those furthest from the levees the lowest.

This is why after Hurricane Katrina some areas stayed fry while others were completely submerged.

I would guesstimate that the elevation in New Orleans ranges from -7 ft to +26 ft (Monkey Hill in Audubon Zoo.