These articles always find insane numbers. People pack into apartments and houses before leaving. I lived in Santa Clara right near the Caltrain tracks, which is in no way a ghetto area. But 2-3 bedroom apartments frequently had 4 or more cars and ~2-4 adults and 1-2 kids. Our apartment was a 3 bedroom 2 bath and was 2500 and we had 3 of us and 3 cars. This was my first apartment after college with two friends, was cheap for me as a junior dev.