ACS 19-23 Group Quarters Population at the block group level

Hi everyone,

I am looking for population in group quarters estimates from ACS 2019-23 (specifically variable B26001_001) but this data doesn't seem to be available at the block group level (unlike for previous years), and I need it at the block group level for my custom aggregations. 

I'm wondering if it is okay to calculate the group quarter population using:  total population - population in households?

In other words, is everyone classified as either living in a household or in group quarters? 

Thank you for your help!

Roshni Wadhwani

Planning Data Analyst @ City of Cambridge, MA