In some cases, you can get this list from third party data services... but if you want the information to be as current as possible (which is VERY important when you're relying on this kind of data, because it changes daily), it's best to get it directly from the county.

As I grow my rental portfolio, and rely on other people to help me more, my "gut" feeling and instinct becomes less reliable because I am not as involved as I used to be in tenant selection.

See this 6/18/13 article from the Detroit News, "Downtown Detroit rents go through roof":"Detroit — Residential rent prices in the gentrifying neighborhoods of Detroit are steadily marching upward, climbing in some cases by $3,000 more per year for the same place, and landlords are pushing them higher at every opportunity.That’s because the rent is still too low for buildings to pay for themselves without relying on government subsidies and foundation dole, developers and city economic officials contend.

I was relying on city-data to gather age demographics and looked at Genworth to find the different markets that has positive trends of ALF care costs. 

I hate to be negative, Paul, but I would not rely on that for a plan to feed my family.

You do not have to rely on traditional forms of lending to secure your passive income properties. 

They have a letter of recommendation from him, but I am well aware that the most recent landlord is a dangerous recommendation to rely on.

Don't rely on the lender's imagination to fill in the blanks.

But, I don't want to rely on that happening.

Are you doing any of the work yourself or are you relying solely upon the husband/wife team?