T/S
Just for context I worked on the 2010 census, from "address canvasing" at the very start to the follows up at the very end. about 2 years all in all.
Many items that were/are on the "short form" which is the one that almost everyone gets can get left blank. All the demographic type info could be left blank, anything that was of a P.I.I nature could get left blank.
As we know, many if not most "illegals/undocumented" work and do so using someones else's SSAN so who ever could just use that if it were in fact called for on the form and it not being one of the things that could just be left blank but IIRC there was no block where it even asked for that.
Due to the "noncentralized" nature of how the census is conducted and how the data does not get "crossed checked" it is entirely possible and in fact most people believed that rich people can and do get "counted" multilpe times, 2, 3 maybe even 4 or 5 times because they have multiple addresses, a main home in Birmingham, or someplace "up north" a beach house or condo in Destin or Naples. a "fish camp" on some lake or river, a "deer camp" who knows where, a ski chalet in Vail or Aspen. All found in the course of addess canvasing, all of which would receive a census form, all could be filled out and returned, all would count so some non citizen using some other ID if an ID were in fact required would just be a duplicate that would go undetected.
Besides there are already at least 2 lawsuits which will most likely prevail because the "plain language" in the constitution concerning the census is quite clear it says the census counts PEOPLE. The "founders" who right wingers go on and on at nauseum about when it supports what ever they are arguing for could have said "citizens" they did not they said people.
Also this bullshit about how they need this info WRT to the VRA by saying it will screen out "non eligible voters" is just that BULLSHIT.
These are the same people that think it is just fine that section V of the VRA that was gutted John Roberts with the naive idea that "congress would fix it" that it YEARS later remains gutted.
On top of the FACT that MILLIONS of citizens (that could still get counted) are NOT "eligible to vote"