Since then, the Trump administration has given conflicting signals - initially planning to print the census forms without the citizenship question and then renewing the push to include it.
Critics say that including a citizenship question for the first time since 1950 will discourage participation in the census, not only by those living in the country illegally but also by citizens who fear that participating will expose noncitizen family members to repercussions.
This week, Trump's reelection campaign sent emails to ask supporters to complete an online survey that asked if they believed the 2020 census should ask people is they are "American citizens".
Three federal judges ruled earlier this year against the question, arguing that Commerce Secretary Wilbur Ross official explanation for the move - that it was needed in order to enforce the Justice Department's voting rights enforcement efforts - appeared to be inaccurate.
The head count of more than 327 million people in the United States is set to start next April and census questionnaires, without the citizenship question, are already being printed. Hazel said that he wants the next motion to include "details of measures being taken to ensure an orderly transition between counsel; specifically, the motion should explain how the withdrawing attorneys are assisting in the transition and the manner in which they will remain available, if necessary, to ensure Defendants' compliance with the Court's deadlines". But the Supreme Court questioned whether that reason was contrived.
Furman's July 9 opinion said the departing lawyers' sworn affidavits should confirm that they will submit to continuing jurisdiction of the court regarding sanctions.
The Census Bureau, which falls under the Commerce Department, has long favored using administrative records - including data from the Social Security Administration, IRS, US Citizenship and Immigration Services and the State Department - to gather citizenship data, rather than asking individuals to self-report their status on the census itself.
Rep. Jim Jordan, R-Ohio, said in an interview on Fox News Channel's "Fox and Friends" Thursday morning that he's expecting Trump to announce an executive order, and said he thinks "it's a good move".
The attempt by the Justice and Commerce departments to add the question was struck down by a recent 5-4 Supreme Court decision.