https://www.census.gov/programs-surveys/decennial-census/about/census-constitution.html#:~:text=The%20U.S.%20Constitution%20empowers%20the,Article%20I%2C%20Sect

https://www.census.gov/programs-surveys/decennial-census/about/census-constitution.html#:~:text=The%20U.S.%20Constitution%20empowers%20the,Article%20I%2C%20Section%202).&text=The%20plan%20was%20to%20count,determine%20representation%20in%20the%20Congress https://www.census.gov/programs-surveys/decennial-census/abo.... Unless I misunderstood your question and you meant to say that the race portion specifically is not.