The research underscores the challenges the Census Bureau faces in getting certain demographic groups to respond to the decennial survey.
Two former Census Bureau directors said they were puzzled by the agency's request.
The chief justice initially leaned toward siding with the Trump administration, but changed his mind, CNN reported.
Some states haven't dedicated any money to preparing for the 2020 census, which determines representation in Congress and federal funding allocations.
Activists fear the 2020 census has been tainted by the Trump administration’s aggressive attempt to add a question on citizenship — but they’re not backing down without a fight.
Trump has jumped into a battle over whether states can draw districts based only on the population that is eligible to vote, a move that would benefit Republicans.
The Democratic 2020 presidential candidate blasted Trump over his "continuous pattern of trying to beat people down."
The House speaker called the administration's effort to add the question "disgraceful."
President Trump has urged officials to find ways to put the question on the 2020 census even though the Supreme Court blocked the move for the time being.
The Trump administration has until Friday to show why there should be a question about citizenship on the 2020 census.
Laurence Tribe said the attorney general will do just about anything to "please his master."
The administration said the census forms have already gone to the printer without the addition of a citizenship question.
The decision comes days after the Supreme Court temporarily blocked the administration from adding the question.
The social media giant said it would treat the census like an election, but not everyone is impressed with the changes.
The high court on Thursday effectively blocked the Trump administration from adding a question about citizenship to the 2020 census.
Daughter Of GOP Gerrymandering Architect Believes Her Father Intended For Her To Discover Document Trove
“He had years to delete those files,” Stephanie Hofeller said in an interview.
The protests followed Wednesday morning’s first hearing on Medicare for All in the House Ways and Means Committee.
The House Oversight Committee voted to hold Attorney General William Barr and Commerce Secretary Wilbur Ross in contempt.
Chairman Elijah Cummings said the Cabinet officials’ refusal to comply with subpoenas was "part of a pattern."
A Republican consultant believed adding the question would help the GOP during redistricting. He helped get it on the 2020 census, new evidence shows.