For instance, the federal government and states have all passed eviction moratoriums of a sort, but they apply to different people and initially had different end dates.The United States recorded 10 million first-time unemployment insurance applications in two weeks, shattering previous records from the financial crisis of 2008-2009.

I know looking for things like economic growth, industry diversity, and crime rates are important metrics, but what specific data sources are used to consolidate the information to analyze markets across the country?

I am not surprised, because in times of crisis is when our liberties are taken away from us.

Paul Samuelson, Nobel Prize Winner in Economics, said, "Investing should be like watching paint dry or watching grass grow. 

Armed with a better understanding of the economics behind them, he purchased a flip at a substantial discount and finished the rehab.

Government planning and economic development4.

Some positive economic development seems to be happening there. 

An author on RE and economics I follow referred to Altos Research as he was reporting on inventory, and so I came across this video below by them.

That's just economics, it's either that, or a bunch of people lose their jobs working in real-estate, a bunch of old-folk lose their retirement funds and become welfare cases through no fault of their own, and rentals dry up, properties fall apart due to lack of maintenance, and you end up with nowhere left to rent eventually.

I am not sure which databases they were accessing but using someone in the industry and paying them to run a lien search for your list of properties may be the most economical and risk mitigating option.