The Census Bureau deals with this directly. This is called the Group Quarters count, and they send enumerators especially to these locations. Outreach to these locations has already begun, and the actual Group Quarters count starts mid-March.
There will be a phone line for people with disabilities that will be published as the count commences.
Enumerators must be 18 years old and pass a Federal background check. Go to 2020Census.gov/jobs for additional information.
Yes.