[edit] Oh, I see, the actual 2020 census data is down: https://www.census.gov/2020results
Says for maintenance.
The bizarre thing was that the page source at that time had almost nothing except some odd javascript to build a "508 Daily Report" table of Jira tickets or some nonsense.
That view appears to still be up here: https://www.census.gov/main/
I can't really blame someone for a bad deployment given the raging government dumpster fires at the moment.
[edit] Oh, I see, the actual 2020 census data is down: https://www.census.gov/2020results
Says for maintenance.