Are there any indicators that suggest population will increase, decrease or stay about the same? 

Your tenant is affected and can't pay the rent, and you can't find anyone else to rent the place(s) unless you decrease the rent so low that it's taking money out of your pocket in order to not foreclose. 

And the answer always seem to involve increasing our monthly expenses, or decrease our amenities....  

Would my cash flow severely decrease?

I did a google search and found a few companies that offer numbers/reports for money, and also went to the TXDOT website but was thoroughly confused.I also want to be able to see if the traffic has been steadily increasing or decreasing over the past few years. 

I find it hard to believe that my assessment would be decreased and by law I'm not required to do anything. 

Debt to Income sounds like your biggest inhibitor, therefore, get started decreasing debt and increasing income.

There are too many variations that could make this increase or decrease based on project complexity. 

Another option for me is to remain the owner of the house and rent it.First, it will decrease private college financial aid because of the home equity.

To me it seems these new things would flood people to the area and keep renters, but would my sfh rental rate decrease with this unit saturation?