The census years do not seem to match up with the congresses. For example, for the 95th-97th congress and 98th congress datasets, the year is 1980, which is correct (not actually for the 95th and 96th congresses, which should have the year 1970, but I’m starting with the 97th congress so this is fine for my purposes). But for the 100th-102nd congresses, the year listed in the dataset is 1990. So is this based on the 1990 census? These all should still be based on the 1980 census no?
The same is true for the 106th and 107th congresses. The year listed in the dataset is 2000 but these should still be based on the 1990 census.