Do you have any sort of proof that this happens on any sort of statistically significant basis? It appears most of the people in this country live in urban places and that this has been an upward trend for a long time...https://en.wikipedia.org/wiki/Urbanization_in_the_United_Sta...
Apparently most of America, wants to. Your observation doesn't really mean a whole lot, I could move to Michigan and buy a 10 acre lot for a tenth of what I'd pay here in king county, but I and most of the people that live here don't want to do that....and not only is this my observation - it's a statistical fact.