How many households in US with only people 65+?

Question

I looking to size a market that excludes households with people over 65.
I can find the number of people over 65, but not the number of households with people over 65.
I appreciate any help with this.

Answer 1

TENURE BY AGE OF HOUSEHOLDER

65 years and over
17,553,827 = 25.1 percent of Owner-occupied housing units

65 years and over
5,080,863 = 14.2 percent of Renter-occupied housing units

Answer 2

The census has American Community Survey PUMS data which gives detailed information about households. They may have the information you want.