The Census included all locally administered confinement facilities under the authority of 2,853 jurisdictions. It also included 42 private and 65 multi-jurisdiction jails. Excluded were temporary holding facilities and state-operated facilities in CN, DE, HI, RI, and VT which operate combined jail-prison systems. Fourteen locally-operated jails in Alaska were included.
The questionnaire is modified with each iteration to capture information on evolving issues in criminal justice and topics of greatest interest to users.