U.S. Census Bureau
Race and Ethnic Data Released for Wisconsin July 23: Detailed Census 2000 Race...Characteristics from Census 2000 for Wisconsin August 6: Census Bureau Releases
https://www.census.gov/newsroom/releases/archives/census_2000/
Census 2000 pl 94 171 techdoc
Secretary U.S. CENSUS BUREAU William G. Barron, Acting Director PL/00- 1(RV) 2000...BUREAU William G. Barron, Acting Director William G. Barron, Deputy Director
https://www.census.gov/content/dam/Census/programs-surveys/rdo/TechnicalDocumentation/Census2000_pl94-171_techdoc.pdf
New Population Counts for 62 Detailed Black or African American Groups
...including four (Barron, Burnett, Polk and Sawyer) in northern Wisconsin. The largest
https://www.census.gov/library/stories/2023/10/2020-census-dhc-a-black-population.html