Part of Juvenile Probation Department Data Portal
Average daily population (ADP) is a measure of how many young people, on average, are in Juvenile Hall each day. Peak population is the highest count of young people reached in Juvenile Hall for a given time period.
The ADP in Juvenile Hall has decreased to historic lows in recent years. Although the Hall population increased in late 2022, it remained much lower than pre-pandemic. From 2018 – 2022, the ADP in Juvenile Hall decreased 66%, from 47 to 16.
The composition of young people in Juvenile Hall has changed in recent years. Prior to 2020, the daily population in Juvenile Hall was primarily young people detained as a result of an arrest. In late 2020, California discontinued the use of out-of-state STRTPs (Short Term Residential Therapeutic Programs, formerly known as group homes). In 2021, California closed its youth prison system, the Division of Juvenile Justice (DJJ). Known as DJJ Realignment, this shifted responsibility and funding for the custody, care, and supervision of youth who would have otherwise been eligible for DJJ to the county-level. As a result of these changes, San Francisco has experienced an increase in the percentage of the daily population that is youth who have been committed by the court to Juvenile Hall or a Secure Youth Treatment Facility (SYTF). Future reports will disaggregate daily population by detained versus committed youth.
While the percentage of young adults in the Hall has increased, the percentage of girls has decreased. The population in Juvenile Hall remains racially disproportionate to youth in San Francisco. Black youth in particular are significantly overrepresented in the Hall.
Population by Month
Data notes and sources
Data notes and sources
The ADP line on this chart reflects how many young people, on average, were in Juvenile Hall each day per month. The Peak line on this chart reflects the highest count of young people reached in Juvenile Hall.
Average Daily Population by Demographics
Data notes and sources
Data notes and sources
The bars on the bar & line chart reflect how many young people were in Juvenile Hall, on average, each day of the year for each year. The line reflects the percentage of the daily population in Juvenile Hall each year that young adults ages 18 or older accounted for.
The remaining charts reflect the demographic composition of the average daily population in Juvenile Hall by Gender, Race/Ethnicity, and Age for the time period selected. Data by gender is unavailable prior to 2019, and data by race/ethnicity and age is unavailable prior to 2020.
Due to rounding error, the cumulative total of ADP by demographic subgroups (e.g., boys, girls) may differ from the overall ADP. Demographic groups with sample sizes < 11 youth in a given year are grouped into larger categories (e.g., Other Race, < 15, 18+).