The SCOTUS will hear this Nov. 30. It’s about Trump trying to stop illegals from being counted in the Census mainly in the largest states like California and Texas. The Census laws don’t say that illegals shouldn’t be counted. By lowering the count, it could cause the largest states to lose seats in the House of Representatives.
https://journalistsresource.org/studies/government/reapportionment-house-supreme-court/
Update Nov 30 – The news had a sound bite of the proceeding but there was nothing decided at this hearing. Sometime later in January they will make a decision.