The number of people affected by hurricane Dean is an estimated of 300,000
Hurricane Dean happened in August of 2007. The storm resulted in at least 45 fatalities and damage of $1.66 billion.
because it affected many people and the land changed after it.
The short answer is... millions.
8
It killed 26 people by direct effects, and 39 indirectly.
Ike affected tens of millions. 195 died, the rest survived.
40 direct & 5 indirect
Millions of people were affected by Katrina. 1,836 were killed and an unknown number injured. At least 3 million were left without power and hundreds of thousands were evacuated in preparation for the storm.
At least 19 States plus Washington DC will be affected by the 'super storm' created by Hurricane Sandy, or from the convergence of Hurricane Sandy and the Canadian cold front.
A conservative estimate would be 10 million people. See the related link listed below for more detailed information:
how many states where hit by hurricane Katrina
Hurricane Katrina made landfalls in Florida, Louisiana, and Mississippi and affected many other states.