Jails & Prisons in Nassau County, New York

There are 7 Jails & Prisons in Nassau County, New York, serving a population of 1,363,069 people in an area of 285 square miles. There is 1 Jail & Prison per 194,724 people, and 1 Jail & Prison per 40 square miles.

In New York, Nassau County is ranked 60th of 62 counties in Jails & Prisons per capita, and 7th of 62 counties in Jails & Prisons per square mile.

List of Nassau County Jails & Prisons

Find Nassau County, New York jails, prisons, detention centers, departments of corrections, and penitentiaries.


Freeport Jail 40 North Ocean Avenue Freeport, NY

Leadership Training Institute - Project 29 29 Richardson Place Hempstead, NY

Leadership Training Institute - Project 350 350 Greenwich Street Hempstead, NY

Nassau County Correctional Center 100 Carman Avenue East Meadow, NY

Nassau County Juvenile Detention Center 61 Carman Avenue East Meadow, NY

Nassau County Juvenile Detention Center 61 Carman Avenue Westbury, NY

Nassau County Mercyfirst-Whiston Hall Nsd 525 Convent Road Syosset, NY

About Nassau County Jails & Prisons

A Nassau County Jail or Prison is a secure facility located in Nassau County, NY where individuals, referred to as inmates, are involuntarily confined and their freedoms and movement are restricted as a consequence of criminal behavior. Nassau County Jails are short-term facilities where inmates either await trial or sentencing for a crime, or serve relatively short sentences. Nassau County Prisons are longer-term facilities where inmates serve out a prison sentence, usually of a year or more, for their crimes.

You may contact Jails & Prisons for questions about:
  • Locating Nassau County inmates
  • Finding out who is in Jail or Prison
  • Searching for criminal records
  • Performing Nassau County background checks
  • Contacting, visiting and sending money to inmates

Nassau County Jail and Prison Statistics

Find Nassau County Jail Admissions, Jail Admissions By Race, Pretrial Jail Population, Jail Held Inmates, Prison Admissions, Prison Population, and Prison Population By Race. Data Source: U.S. Bureau of Justice Statistics; National Prisoner Statistics (NPS) Program, Prisoners In 2015.

Nassau County Jail Admissions
Total Jail Admissions17,380
Total Jail Population1,178
Female Jail Population64
Male Jail Population1,050
Nassau County Jail Admissions By Race
Asian Jail Population-
Black Jail Population680
Latino Jail Population22
Native Jail Population1
White Jail Population409
Nassau County Pretrial Jail Population
Pretrial Jail Population962
Female Pretrial Jail Population81
Male Pretrial Jail Population1,150
Nassau County Jail Held Inmates
Jail Population Held for State Prison287
Jail Population Held for Out-of-State Prison2
Jail Population Held for State Jail59
Jail Population Held for Out-of-State Jail1
Jail Population Held for Federal Agencies8
Jail Population Held for ICE5
Nassau County Prison Admissions
Total Prison Admissions672
Female Prison Admissions40
Male Prison Admissions632
Asian Prison Admissions-
Black Prison Admissions376
Latino Prison Admissions131
Native Prison Admissions9
White Prison Admissions132
Other Prison Admissions24
Nassau County Prison Population
Total Prison Population1,648
Female Prison Population65
Male Prison Population1,583
Nassau County Prison Population By Race
Asian Prison Population7
Black Prison Population906
Latino Prison Population346
Native Prison Population8
White Prison Population348
Other Prison Population33