A federal district court has held that a question about citizenship may not be included in the 2020 census. The Trump administration is likely to appeal this ruling to the Second Circuit, and it is likely the Supreme Court will ultimately resolve the dispute. Additional challenges to including this question have been brought but not yet decided.
Judge Furman summarizes the significance of having an accurate census for state and local governments in his 277-page opinion: “[The census] is used to allocate hundreds of billions of dollars in federal, state, and local funds. Even small deviations from an accurate count can have major implications for states, localities, and the people who live in them — indeed, for the country as a whole.”