Dear All:
There is substantial delay in the PL94 file. The original delay was to be four months, and a bill was sent to Congress with the notion of delaying it and the Apportionment numbers, which are effectively 50 number, which are the population totals for each state, with the so-called overseas military added. There number are from the so-called Census unedited file. Trump decided to issue a memo demanding that these numbers include counts for the undocumented immigrants, When it became clear to everyone (I guess except those who were trying a coup) that Trump would leave office on Jan 20, then some political appointees who had been sent over to the Census (rumored by Stephen Miller) to ride herd on the professionals, as well as the appointed director, demanded data on citizens and non-citizens, including undocumented, before the end of Trumps term. This led to an IG report, the work on that being stopped, and the director resigning. (The director is on a fixed term, which would have expired at the end of December 2021.) Due to the Pandemic, the many political interventions in both the counting and now the processing of the data, the Census data may be delayed even beyond the original change in deadlines proposed, which would have been by April 1 for apportionment data and by July 31 for PL94-171. The apportionment data could easily be delayed to April 1, and the rumors are the PL data will not arrive until the Fall.
At this point no official announcement has been made. If you want to keep abreast of Census doing, I would suggest checking out Hansi Lo Wang's coverage on NPR or his Twitter feed. He has been known to live tweet court proceedings. Google him and all of his recent coverage will be revealed. For his work he was awarded the excellence in statistical reporting by the American Statistics Association.