It's a shame we can't compare to 1920, 1950 or 1970.
We only started collecting information on housing in 1940 [1]. That's why household data only go back that far [2].
[1] https://www.census.gov/history/www/through_the_decades/overv...
[2] https://www.census.gov/data/tables/time-series/demo/families...
It's a shame we can't compare to 1920, 1950 or 1970.