This statement seems wrong to me. According to [1], 43% or residents in rented accommodation live in single family homes. [2] claims that about 80% of owner-occupied dwellings are single-family homes (but the source seems funky: surely there are more than 80k owner-occupied dwellings in the US.)

[1] https://www.statista.com/statistics/612959/number-of-househo...

[2] https://www.statista.com/statistics/377896/owner-occupied-ho...