https://www.census.gov/programs-surveys/cps/technical-documentation/user-notes/geographic-mobility-user-notes/2018-03.html
ASEC User Note: College Dormitories Removed from CPS Sample: 2018
Oct 8, 2021 - As of the 2018 CPS-ASEC, college and university dormitories are no longer included in the sample.
user notecollege dormitoriesasecremovedcps