Wealth creation seems to be focussed increasingly on metropolitan areas and the rural manufacturing and farming areas seem to be going through population decline.
Maybe you are in a real anomaly, but whenever we leave the city, once we get pass commuting distance the number of For Sale signs is astounding (sometimes like 10% of a town or hamlet) while in the city housing is booming.
In what sense do you mean 'dying'? 'Prevalent and important'?