So, i've never really have had to move out whole families from apartments.... I'm just wondering, if when you move out a whole family do they take all of the furniture with them, like if you were moving them out of a regular house?

Nope, they sell everything except for light fixtures(excluding those that have been bought), plumbing fixtures and almost every kitchen appliance, such as counters, fridges and whatever else is used there, unless if they're bought.