"Among jail inmates in 2002 who had ever been tested for HIV, Hispanics (2.9%) were more than 3 times as likely as whites (0.8%) and twice as likely as blacks (1.2%) to report being HIV positive."

Source

Maruschak, Laura M. HIV In Prisons and Jails, 2002. NCJ-205333. Washington, DC: Department of Justice, Bureau of Justice Statistics, Dec. 2004.