Depends on where you are, whether you want to know how many tornadoes have hit the United States, or a single state, or even somewhere else.
All states have had tornadoes in the past 50 years.
Texas by far has had the highest number of tornadoes in the past 50 years.
There were 129 tornadoes in Texas in 2009.
A total of 9 tornadoes hit California in 2011.
As of mid December 2013 there have been 12,800 officially documented tornadoes in the United States in the past 10 years. Note that figures for several months in 2013 are still preliminary.
In the past 5 years (2010-2014) tornadoes have hit every state except Alaska.
It can. Chicago has been hit by tornadoes in the past. It has simply been a matter of chance that the city has not taken a major direct hit in recent dacades.
33 F3 tornadoes have hit Florida since 1950.
an average of 20 tornadoes per year
There were 16 tornadoes in Wisconsin in 2009.
There were 30 tornadoes in Florida in 2015.
There were 31 tornadoes in Tennessee in 2010.