2020 Census Important Dates
| Mailing 1 sent to homes | March 12-20 |
| Mailing 2 sent to those who do not respond | March 16-24 |
| Mailing 3 (reminder postcard) sent to those who do not respond | March 26-April 3 |
| Counting begins in locations such as recreational vehicle parks, campgrounds, marina, hotels, etc | March |
| Counting begins for those living in group quarters such as dormitories, nursing homes and homeless shelters | March |
| Census Day | April 1 |
| Nonresponse follow-up | Early April - late July |
| Mailing 4, letter and paper questionnaire sent to those who have not yet responded | April 8-16 |
| Mailing 5, "It's not too late!" postcard | April 20-27 |
| U.S. Census Bureau will send its representatives, called enumerators, to households that have not yet responded | Early May |
| Census count ends | End of July |
| Census Bureau transmits state population totals and congressional apportionment to the President | December 31 |