Designing P.L. 94-171 Redistricting Data for the Year 2020 Census
...age group, and the name of county or town in which the family resided. At its...TX (32) MT (1) AZ (8) CA (53) NV (3) NM (3) CO (7) ID (2) OR (5) UT (3) KS (4)
https://www.census.gov/content/dam/Census/library/publications/2014/rdo/pl94-171.pdf