I’m certain that they (either/both SCAG staff or Professor Dowell Myers at USC) had access to the embargoed data. I saw a SCAG tweet from about 1130 am this morning! Wow!

https://scag.ca.gov/sites/main/files/file-attachments/091522-acs-2021-1-year-data-post-covid-report.pdf

The SCAG/USC analysis focuses on single-year ACS estimates for 2006, 2012, 2019 and 2021.

Great job!