The 2020 Census web site has information on how the Census Bureau is changing its process for collecting the 2020 Census based on what is happening with the current situation.
Up-to-date information can be found here: https://2020census.gov/en/news-events/press-kits/covid-19.html
Complete revised schedule here: https://2020census.gov/en/news-events/operational-adjustments-covid-19.html
