No more than four. Two adults and two children if the children are the same sex and the adults are married.
In Missouri, the occupancy limit for a 2-bedroom government subsidized apartment is typically based on the total square footage and local housing regulations. Generally, the limit is around 2 persons per bedroom, so a 2-bedroom apartment can typically accommodate 4 individuals. It is recommended to check with the specific housing authority or management company for the exact occupancy guidelines for that particular apartment.
Since minors cannot be held lgally liable or accountable for any contracts or legal dealings, you will have to be older than the age of majority in your state.
Since he's not Lgally able to drive, there should be no problem dropping him and excluding him from your policy, Unless of course you are planning to knowingly allow him to drive your vehicle without a license. If you decide to drop him from your coverage you need to inform him of this and in no uncertain terms let him know he is not allowed to drive your vehicle. You may also want to secure your car keys as children are often apt to take a parents vehicle without permission.
And then your going to think cases are opened, closed and happen just as you expect. Never happens. All laws and financial plans have many different viewpoints that are correct to be considered. As we've gone through..several times...and now your changing the "owns nothing else", you have our Condo at risk...regardless of the exemption, which there are ways to lgally get around.....GET A LAWYER. Oh that $300 personal exemption...frequently, almost always simply ignored by the court...in favor of a more fair/realistic one....like the $500 limit on value of car one can keep..(there ain't a $500 car worth keeping..court gets realistic). Things just ain't as clear as you think.