It looks like aprox. 500,000 according to this article from 2016: https://www.thenation.com/article/almost-half-a-million-people-are-in-jail-awaiting-trial/ ht

It looks like aprox. 500,000 according to this article from 2016: https://www.thenation.com/article/almost-half-a-million-people-are-in-jail-awaiting-trial/ https://www.thenation.com/article/almost-half-a-million-peop...