The case is nearly identical to a case the court ruled on two years ago from Alabama, though the outcome could make it more difficult for minorities to prevail in redistricting cases.
Already, lower courts have found President Trump's removal of Democratic members of independent agencies to be unlawful. The Trump administration has appealed.
Here are five takeaways from a week when President Trump moved ahead with deportations and sweeping changes to the federal government — and ran into obstacles in the courts.
To date, 127 legal cases have been filed against the Trump administration's actions since President Trump took office. The cases challenge an enormous range of subjects.
The president's contention that birthright citizenship is unconstitutional is considered a fringe view because the Supreme Court ruled to the contrary 127 years ago.
Hampton Dellinger said he was dropping his case a day after the federal appeals court in Washington sided with the Trump administration in removing him as the head of the Office of Special Counsel.
In an order, the justices left in place a lower court order that so far has only required the Trump administration to pay contractors for foreign aid work that has already been completed — roughly $2 billion.