No, airsoft guns are not illegal in the state of Illinois. However, state laws do prohibit air guns being carried in the general public. Most airsoft guns contain at least a 6mm orange tip which indentifies it as being non-lethal. Airsoft guns can be legally used in or on your property. The State of Illinois also prohibits the distribution or shipping of airsoft guns as part of the law.
Potato guns leagal in Washington state
We don't have an exact number, since there is no registration of gun owners or guns. However, it is estimated that about 1/3rd of all household owns at least 1 gun.
Every State sells BB guns, just not all locations within the state sell them.
Varies from state to state
Impossible to answer without knowing what you mean by "greatest" and "least".
At least in part, yes.
Texas
No.
A police state occurs when the STATE has all the guns and I don't have mine.
Air soft guns are popular over the nation. Do not use one if you are not at least 15 :).
Yes, it is generally permissible to store your guns in another state as long as you comply with the laws and regulations of that state regarding firearm storage and transportation. It is important to research and understand the specific laws of the state where you plan to store your guns to ensure compliance.